From 0b4008bd84f9812eac943e616a4584a0f9b23ae1 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 18 Jan 2020 13:57:47 +0100
Subject: [PATCH] doxygen

---
 src/lib/Makefile.am                           |   1 +
 ...ing_api_cmd_auditor_deposit_confirmation.c |  34 ++---
 src/lib/testing_api_cmd_auditor_exchanges.c   |  52 +++----
 .../testing_api_cmd_auditor_exec_auditor.c    |  21 +--
 ...ting_api_cmd_auditor_exec_auditor_dbinit.c |  21 +--
 ...esting_api_cmd_auditor_exec_wire_auditor.c |  21 +--
 .../testing_api_cmd_bank_admin_add_incoming.c |  12 +-
 src/lib/testing_api_cmd_bank_admin_check.c    |   2 +-
 src/lib/testing_api_cmd_bank_check.c          |  18 ++-
 src/lib/testing_api_cmd_bank_history_credit.c |   2 +-
 src/lib/testing_api_cmd_bank_history_debit.c  |   2 +-
 src/lib/testing_api_cmd_bank_transfer.c       |  17 ++-
 src/lib/testing_api_cmd_batch.c               |  30 ++--
 src/lib/testing_api_cmd_deposit.c             |   2 +-
 src/lib/testing_api_cmd_exec_aggregator.c     |  22 +--
 src/lib/testing_api_cmd_exec_auditor-sign.c   |   2 +-
 src/lib/testing_api_cmd_exec_keyup.c          |  40 +++---
 src/lib/testing_api_cmd_exec_wirewatch.c      |  22 +--
 src/lib/testing_api_cmd_insert_deposit.c      |  25 ++--
 src/lib/testing_api_cmd_payback.c             |  10 +-
 src/lib/testing_api_cmd_refresh.c             |  35 +++--
 src/lib/testing_api_cmd_serialize_keys.c      |  40 +++---
 src/lib/testing_api_cmd_sleep.c               | 106 +-------------
 src/lib/testing_api_cmd_track.c               |   6 +-
 src/lib/testing_api_cmd_wait.c                | 134 ++++++++++++++++++
 src/lib/testing_api_cmd_withdraw.c            |   2 +-
 src/lib/testing_api_helpers_bank.c            |   4 +-
 27 files changed, 365 insertions(+), 318 deletions(-)
 create mode 100644 src/lib/testing_api_cmd_wait.c

diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am
index a3b680032..9a12d25bc 100644
--- a/src/lib/Makefile.am
+++ b/src/lib/Makefile.am
@@ -95,6 +95,7 @@ libtalertesting_la_SOURCES = \
   testing_api_cmd_sleep.c \
   testing_api_cmd_status.c \
   testing_api_cmd_track.c \
+  testing_api_cmd_wait.c \
   testing_api_cmd_wire.c \
   testing_api_cmd_withdraw.c \
   testing_api_cmd_insert_deposit.c \
diff --git a/src/lib/testing_api_cmd_auditor_deposit_confirmation.c b/src/lib/testing_api_cmd_auditor_deposit_confirmation.c
index 8e7ccd198..df80fef73 100644
--- a/src/lib/testing_api_cmd_auditor_deposit_confirmation.c
+++ b/src/lib/testing_api_cmd_auditor_deposit_confirmation.c
@@ -16,13 +16,11 @@
   License along with TALER; see the file COPYING.  If not, see
   <http://www.gnu.org/licenses/>
 */
-
 /**
  * @file lib/testing_api_cmd_auditor_deposit_confirmation.c
  * @brief command for testing /deposit_confirmation.
  * @author Christian Grothoff
  */
-
 #include "platform.h"
 #include "taler_json_lib.h"
 #include <gnunet/gnunet_curl_lib.h>
@@ -359,7 +357,7 @@ deposit_confirmation_cleanup (void *cls,
  * Offer internal data to other commands.
  *
  * @param cls closure.
- * @param ret[out] set to the wanted data.
+ * @param[out] ret set to the wanted data.
  * @param trait name of the trait.
  * @param index index number of the traits to be returned.
  *
@@ -393,15 +391,13 @@ deposit_confirmation_traits (void *cls,
  * @return the command.
  */
 struct TALER_TESTING_Command
-TALER_TESTING_cmd_deposit_confirmation
-  (const char *label,
-  struct TALER_AUDITOR_Handle *auditor,
-  const char *deposit_reference,
-  unsigned int coin_index,
-  const char *amount_without_fee,
-  unsigned int expected_response_code)
+TALER_TESTING_cmd_deposit_confirmation (const char *label,
+                                        struct TALER_AUDITOR_Handle *auditor,
+                                        const char *deposit_reference,
+                                        unsigned int coin_index,
+                                        const char *amount_without_fee,
+                                        unsigned int expected_response_code)
 {
-  struct TALER_TESTING_Command cmd = {0}; /* need explicit zeroing..*/
   struct DepositConfirmationState *dcs;
 
   dcs = GNUNET_new (struct DepositConfirmationState);
@@ -411,13 +407,17 @@ TALER_TESTING_cmd_deposit_confirmation
   dcs->amount_without_fee = amount_without_fee;
   dcs->expected_response_code = expected_response_code;
 
-  cmd.cls = dcs;
-  cmd.label = label;
-  cmd.run = &deposit_confirmation_run;
-  cmd.cleanup = &deposit_confirmation_cleanup;
-  cmd.traits = &deposit_confirmation_traits;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = dcs,
+      .label = label,
+      .run = &deposit_confirmation_run,
+      .cleanup = &deposit_confirmation_cleanup,
+      .traits = &deposit_confirmation_traits
+    };
 
-  return cmd;
+    return cmd;
+  }
 }
 
 
diff --git a/src/lib/testing_api_cmd_auditor_exchanges.c b/src/lib/testing_api_cmd_auditor_exchanges.c
index e8dbc2b5e..3b2187a3d 100644
--- a/src/lib/testing_api_cmd_auditor_exchanges.c
+++ b/src/lib/testing_api_cmd_auditor_exchanges.c
@@ -253,10 +253,9 @@ exchanges_cleanup (void *cls,
  * Offer internal data to other commands.
  *
  * @param cls closure.
- * @param ret[out] set to the wanted data.
+ * @param[out] ret set to the wanted data.
  * @param trait name of the trait.
  * @param index index number of the traits to be returned.
- *
  * @return #GNUNET_OK on success
  */
 static int
@@ -280,25 +279,27 @@ exchanges_traits (void *cls,
  * @return the command.
  */
 struct TALER_TESTING_Command
-TALER_TESTING_cmd_exchanges
-  (const char *label,
-  struct TALER_AUDITOR_Handle *auditor,
-  unsigned int expected_response_code)
+TALER_TESTING_cmd_exchanges (const char *label,
+                             struct TALER_AUDITOR_Handle *auditor,
+                             unsigned int expected_response_code)
 {
-  struct TALER_TESTING_Command cmd = {0}; /* need explicit zeroing..*/
   struct ExchangesState *es;
 
   es = GNUNET_new (struct ExchangesState);
   es->auditor = auditor;
   es->expected_response_code = expected_response_code;
 
-  cmd.cls = es;
-  cmd.label = label;
-  cmd.run = &exchanges_run;
-  cmd.cleanup = &exchanges_cleanup;
-  cmd.traits = &exchanges_traits;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = es,
+      .label = label,
+      .run = &exchanges_run,
+      .cleanup = &exchanges_cleanup,
+      .traits = &exchanges_traits
+    };
 
-  return cmd;
+    return cmd;
+  }
 }
 
 
@@ -314,25 +315,26 @@ TALER_TESTING_cmd_exchanges
  * @return the command.
  */
 struct TALER_TESTING_Command
-TALER_TESTING_cmd_exchanges_with_url
-  (const char *label,
-  unsigned int expected_response_code,
-  const char *exchange_url)
+TALER_TESTING_cmd_exchanges_with_url (const char *label,
+                                      unsigned int expected_response_code,
+                                      const char *exchange_url)
 {
-  struct TALER_TESTING_Command cmd = {0}; /* need explicit zeroing..*/
   struct ExchangesState *es;
 
   es = GNUNET_new (struct ExchangesState);
   es->expected_response_code = expected_response_code;
   es->exchange_url = exchange_url;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = es,
+      .label = label,
+      .run = &exchanges_run,
+      .cleanup = &exchanges_cleanup,
+      .traits = &exchanges_traits
+    };
 
-  cmd.cls = es;
-  cmd.label = label;
-  cmd.run = &exchanges_run;
-  cmd.cleanup = &exchanges_cleanup;
-  cmd.traits = &exchanges_traits;
-
-  return cmd;
+    return cmd;
+  }
 }
 
 
diff --git a/src/lib/testing_api_cmd_auditor_exec_auditor.c b/src/lib/testing_api_cmd_auditor_exec_auditor.c
index 762611383..f56038e78 100644
--- a/src/lib/testing_api_cmd_auditor_exec_auditor.c
+++ b/src/lib/testing_api_cmd_auditor_exec_auditor.c
@@ -16,7 +16,6 @@
   License along with TALER; see the file COPYING.  If not,
   see <http://www.gnu.org/licenses/>
 */
-
 /**
  * @file lib/testing_api_cmd_auditor_exec_auditor.c
  * @brief run the taler-auditor command
@@ -111,7 +110,7 @@ auditor_cleanup (void *cls,
  * Offer "auditor" CMD internal data to other commands.
  *
  * @param cls closure.
- * @param ret[out] result
+ * @param[out] ret result
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success.
@@ -146,17 +145,21 @@ struct TALER_TESTING_Command
 TALER_TESTING_cmd_exec_auditor (const char *label,
                                 const char *config_filename)
 {
-  struct TALER_TESTING_Command cmd;
   struct AuditorState *ks;
 
   ks = GNUNET_new (struct AuditorState);
   ks->config_filename = config_filename;
-  cmd.cls = ks;
-  cmd.label = label;
-  cmd.run = &auditor_run;
-  cmd.cleanup = &auditor_cleanup;
-  cmd.traits = &auditor_traits;
-  return cmd;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = ks,
+      .label = label,
+      .run = &auditor_run,
+      .cleanup = &auditor_cleanup,
+      .traits = &auditor_traits
+    };
+
+    return cmd;
+  }
 }
 
 
diff --git a/src/lib/testing_api_cmd_auditor_exec_auditor_dbinit.c b/src/lib/testing_api_cmd_auditor_exec_auditor_dbinit.c
index 7044cb39f..828622e23 100644
--- a/src/lib/testing_api_cmd_auditor_exec_auditor_dbinit.c
+++ b/src/lib/testing_api_cmd_auditor_exec_auditor_dbinit.c
@@ -16,7 +16,6 @@
   License along with TALER; see the file COPYING.  If not,
   see <http://www.gnu.org/licenses/>
 */
-
 /**
  * @file lib/testing_api_cmd_auditor_exec_auditor_dbinit.c
  * @brief run the taler-auditor-dbinit "-r" command
@@ -112,7 +111,7 @@ auditor_dbinit_cleanup (void *cls,
  * Offer "auditor-dbinit" CMD internal data to other commands.
  *
  * @param cls closure.
- * @param ret[out] result
+ * @param[out] ret result
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success.
@@ -147,17 +146,21 @@ struct TALER_TESTING_Command
 TALER_TESTING_cmd_exec_auditor_dbinit (const char *label,
                                        const char *config_filename)
 {
-  struct TALER_TESTING_Command cmd;
   struct AuditorDbinitState *ks;
 
   ks = GNUNET_new (struct AuditorDbinitState);
   ks->config_filename = config_filename;
-  cmd.cls = ks;
-  cmd.label = label;
-  cmd.run = &auditor_dbinit_run;
-  cmd.cleanup = &auditor_dbinit_cleanup;
-  cmd.traits = &auditor_dbinit_traits;
-  return cmd;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = ks,
+      .label = label.
+               .run = &auditor_dbinit_run,
+      .cleanup = &auditor_dbinit_cleanup,
+      .traits = &auditor_dbinit_traits
+    };
+
+    return cmd;
+  }
 }
 
 
diff --git a/src/lib/testing_api_cmd_auditor_exec_wire_auditor.c b/src/lib/testing_api_cmd_auditor_exec_wire_auditor.c
index 12b2344db..458a0b349 100644
--- a/src/lib/testing_api_cmd_auditor_exec_wire_auditor.c
+++ b/src/lib/testing_api_cmd_auditor_exec_wire_auditor.c
@@ -16,7 +16,6 @@
   License along with TALER; see the file COPYING.  If not,
   see <http://www.gnu.org/licenses/>
 */
-
 /**
  * @file lib/testing_api_cmd_auditor_exec_wire_auditor.c
  * @brief run the taler-wire-auditor command
@@ -111,7 +110,7 @@ wire_auditor_cleanup (void *cls,
  * Offer "wire-auditor" CMD internal data to other commands.
  *
  * @param cls closure.
- * @param ret[out] result
+ * @param[out] ret result
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success.
@@ -146,17 +145,21 @@ struct TALER_TESTING_Command
 TALER_TESTING_cmd_exec_wire_auditor (const char *label,
                                      const char *config_filename)
 {
-  struct TALER_TESTING_Command cmd;
   struct WireAuditorState *ks;
 
   ks = GNUNET_new (struct WireAuditorState);
   ks->config_filename = config_filename;
-  cmd.cls = ks;
-  cmd.label = label;
-  cmd.run = &wire_auditor_run;
-  cmd.cleanup = &wire_auditor_cleanup;
-  cmd.traits = &wire_auditor_traits;
-  return cmd;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = ks,
+      .label = label,
+      .run = &wire_auditor_run,
+      .cleanup = &wire_auditor_cleanup,
+      .traits = &wire_auditor_traits
+    };
+
+    return cmd;
+  }
 }
 
 
diff --git a/src/lib/testing_api_cmd_bank_admin_add_incoming.c b/src/lib/testing_api_cmd_bank_admin_add_incoming.c
index e9f15f634..294c933e1 100644
--- a/src/lib/testing_api_cmd_bank_admin_add_incoming.c
+++ b/src/lib/testing_api_cmd_bank_admin_add_incoming.c
@@ -384,7 +384,7 @@ admin_add_incoming_cleanup (void *cls,
  * commands.
  *
  * @param cls closure.
- * @param ret[out] result
+ * @param[out] ret result
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success.
@@ -488,11 +488,11 @@ make_command (const char *label,
  * @return the command.
  */
 struct TALER_TESTING_Command
-TALER_TESTING_cmd_admin_add_incoming
-  (const char *label,
-  const char *amount,
-  const struct TALER_BANK_AuthenticationData *auth,
-  const char *payto_debit_account)
+TALER_TESTING_cmd_admin_add_incoming (const char *label,
+                                      const char *amount,
+                                      const struct
+                                      TALER_BANK_AuthenticationData *auth,
+                                      const char *payto_debit_account)
 {
   return make_command (label,
                        make_fts (amount,
diff --git a/src/lib/testing_api_cmd_bank_admin_check.c b/src/lib/testing_api_cmd_bank_admin_check.c
index c63a1b4aa..97e2eade2 100644
--- a/src/lib/testing_api_cmd_bank_admin_check.c
+++ b/src/lib/testing_api_cmd_bank_admin_check.c
@@ -162,7 +162,7 @@ check_bank_admin_transfer_cleanup (void *cls,
  * Offer internal data from a "bank admin check" CMD state.
  *
  * @param cls closure.
- * @param ret[out] result.
+ * @param[out] ret result.
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success.
diff --git a/src/lib/testing_api_cmd_bank_check.c b/src/lib/testing_api_cmd_bank_check.c
index 3ac4b87cd..e8bd415b3 100644
--- a/src/lib/testing_api_cmd_bank_check.c
+++ b/src/lib/testing_api_cmd_bank_check.c
@@ -190,9 +190,8 @@ check_bank_transfer_run (void *cls,
  * @param cmd the command which is being cleaned up.
  */
 static void
-check_bank_transfer_cleanup
-  (void *cls,
-  const struct TALER_TESTING_Command *cmd)
+check_bank_transfer_cleanup (void *cls,
+                             const struct TALER_TESTING_Command *cmd)
 {
   struct BankCheckState *bcs = cls;
 
@@ -204,7 +203,7 @@ check_bank_transfer_cleanup
  * Offer internal data from a "bank check" CMD state.
  *
  * @param cls closure.
- * @param ret[out] result.
+ * @param[out] ret result.
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success.
@@ -246,12 +245,11 @@ check_bank_transfer_traits (void *cls,
  * @return the command
  */
 struct TALER_TESTING_Command
-TALER_TESTING_cmd_check_bank_transfer
-  (const char *label,
-  const char *exchange_base_url,
-  const char *amount,
-  const char *debit_payto,
-  const char *credit_payto)
+TALER_TESTING_cmd_check_bank_transfer (const char *label,
+                                       const char *exchange_base_url,
+                                       const char *amount,
+                                       const char *debit_payto,
+                                       const char *credit_payto)
 {
   struct BankCheckState *bcs;
 
diff --git a/src/lib/testing_api_cmd_bank_history_credit.c b/src/lib/testing_api_cmd_bank_history_credit.c
index 41a1f0b80..96da33a19 100644
--- a/src/lib/testing_api_cmd_bank_history_credit.c
+++ b/src/lib/testing_api_cmd_bank_history_credit.c
@@ -115,7 +115,7 @@ struct HistoryState
  * Offer internal data to other commands.
  *
  * @param cls closure.
- * @param ret[out] set to the wanted data.
+ * @param[out] ret set to the wanted data.
  * @param trait name of the trait.
  * @param index index number of the traits to be returned.
  *
diff --git a/src/lib/testing_api_cmd_bank_history_debit.c b/src/lib/testing_api_cmd_bank_history_debit.c
index d6cbbab21..ecd0bb4f7 100644
--- a/src/lib/testing_api_cmd_bank_history_debit.c
+++ b/src/lib/testing_api_cmd_bank_history_debit.c
@@ -119,7 +119,7 @@ struct HistoryState
  * Offer internal data to other commands.
  *
  * @param cls closure.
- * @param ret[out] set to the wanted data.
+ * @param[out] ret set to the wanted data.
  * @param trait name of the trait.
  * @param index index number of the traits to be returned.
  *
diff --git a/src/lib/testing_api_cmd_bank_transfer.c b/src/lib/testing_api_cmd_bank_transfer.c
index 5290ba684..8bf4187c9 100644
--- a/src/lib/testing_api_cmd_bank_transfer.c
+++ b/src/lib/testing_api_cmd_bank_transfer.c
@@ -294,7 +294,7 @@ transfer_cleanup (void *cls,
  * commands.
  *
  * @param cls closure.
- * @param ret[out] result
+ * @param[out] ret result
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success.
@@ -340,14 +340,13 @@ transfer_traits (void *cls,
  * @return the command.
  */
 struct TALER_TESTING_Command
-TALER_TESTING_cmd_transfer
-  (const char *label,
-  const char *amount,
-  const struct TALER_BANK_AuthenticationData *auth,
-  const char *payto_debit_account,
-  const char *payto_credit_account,
-  const struct TALER_WireTransferIdentifierRawP *wtid,
-  const char *exchange_base_url)
+TALER_TESTING_cmd_transfer (const char *label,
+                            const char *amount,
+                            const struct TALER_BANK_AuthenticationData *auth,
+                            const char *payto_debit_account,
+                            const char *payto_credit_account,
+                            const struct TALER_WireTransferIdentifierRawP *wtid,
+                            const char *exchange_base_url)
 {
   struct TransferState *fts;
 
diff --git a/src/lib/testing_api_cmd_batch.c b/src/lib/testing_api_cmd_batch.c
index c0e5b3af9..6d3c86ec0 100644
--- a/src/lib/testing_api_cmd_batch.c
+++ b/src/lib/testing_api_cmd_batch.c
@@ -105,7 +105,7 @@ batch_cleanup (void *cls,
  * Offer internal data from a "batch" CMD, to other commands.
  *
  * @param cls closure.
- * @param ret[out] result.
+ * @param[out] ret result.
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success.
@@ -168,16 +168,17 @@ TALER_TESTING_cmd_batch (const char *label,
   memcpy (bs->batch,
           batch,
           sizeof (struct TALER_TESTING_Command) * i);
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = bs,
+      .label = label,
+      .run = &batch_run,
+      .cleanup = &batch_cleanup,
+      .traits = &batch_traits
+    };
 
-  struct TALER_TESTING_Command cmd = {
-    .cls = bs,
-    .label = label,
-    .run = &batch_run,
-    .cleanup = &batch_cleanup,
-    .traits = &batch_traits
-  };
-
-  return cmd;
+    return cmd;
+  }
 }
 
 
@@ -187,8 +188,7 @@ TALER_TESTING_cmd_batch (const char *label,
  * @param is interpreter state.
  */
 void
-TALER_TESTING_cmd_batch_next
-  (struct TALER_TESTING_Interpreter *is)
+TALER_TESTING_cmd_batch_next (struct TALER_TESTING_Interpreter *is)
 {
   struct BatchState *bs = is->commands[is->ip].cls;
 
@@ -208,8 +208,7 @@ TALER_TESTING_cmd_batch_next
  * @return false if not, true if it is a batch command
  */
 int
-TALER_TESTING_cmd_is_batch
-  (const struct TALER_TESTING_Command *cmd)
+TALER_TESTING_cmd_is_batch (const struct TALER_TESTING_Command *cmd)
 {
   return cmd->run == &batch_run;
 }
@@ -221,8 +220,7 @@ TALER_TESTING_cmd_is_batch
  * @return cmd current batch command
  */
 struct TALER_TESTING_Command *
-TALER_TESTING_cmd_batch_get_current
-  (const struct TALER_TESTING_Command *cmd)
+TALER_TESTING_cmd_batch_get_current (const struct TALER_TESTING_Command *cmd)
 {
   struct BatchState *bs = cmd->cls;
 
diff --git a/src/lib/testing_api_cmd_deposit.c b/src/lib/testing_api_cmd_deposit.c
index eb3d256d1..94636b7cf 100644
--- a/src/lib/testing_api_cmd_deposit.c
+++ b/src/lib/testing_api_cmd_deposit.c
@@ -396,7 +396,7 @@ deposit_cleanup (void *cls,
  * Offer internal data from a "deposit" CMD, to other commands.
  *
  * @param cls closure.
- * @param ret[out] result.
+ * @param[out] ret result.
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  *
diff --git a/src/lib/testing_api_cmd_exec_aggregator.c b/src/lib/testing_api_cmd_exec_aggregator.c
index 7633d6f47..425b3f23a 100644
--- a/src/lib/testing_api_cmd_exec_aggregator.c
+++ b/src/lib/testing_api_cmd_exec_aggregator.c
@@ -16,7 +16,6 @@
   License along with TALER; see the file COPYING.  If not,
   see <http://www.gnu.org/licenses/>
 */
-
 /**
  * @file lib/testing_api_cmd_exec_aggregator.c
  * @brief run the taler-exchange-aggregator command
@@ -111,7 +110,7 @@ aggregator_cleanup (void *cls,
  * Offer "aggregator" CMD internal data to other commands.
  *
  * @param cls closure.
- * @param ret[out] result.
+ * @param[out] ret result.
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success
@@ -151,16 +150,17 @@ TALER_TESTING_cmd_exec_aggregator (const char *label,
 
   as = GNUNET_new (struct AggregatorState);
   as->config_filename = config_filename;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = as,
+      .label = label,
+      .run = &aggregator_run,
+      .cleanup = &aggregator_cleanup,
+      .traits = &aggregator_traits
+    };
 
-  struct TALER_TESTING_Command cmd = {
-    .cls = as,
-    .label = label,
-    .run = &aggregator_run,
-    .cleanup = &aggregator_cleanup,
-    .traits = &aggregator_traits
-  };
-
-  return cmd;
+    return cmd;
+  }
 }
 
 
diff --git a/src/lib/testing_api_cmd_exec_auditor-sign.c b/src/lib/testing_api_cmd_exec_auditor-sign.c
index 49a494a67..deda26686 100644
--- a/src/lib/testing_api_cmd_exec_auditor-sign.c
+++ b/src/lib/testing_api_cmd_exec_auditor-sign.c
@@ -175,7 +175,7 @@ auditor_sign_cleanup (void *cls,
  * Offer "auditor sign" CMD internal data to other commands.
  *
  * @param cls closure.
- * @param ret[out] result.
+ * @param[out] ret result.
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success.
diff --git a/src/lib/testing_api_cmd_exec_keyup.c b/src/lib/testing_api_cmd_exec_keyup.c
index 3ce746527..3947ad26e 100644
--- a/src/lib/testing_api_cmd_exec_keyup.c
+++ b/src/lib/testing_api_cmd_exec_keyup.c
@@ -143,7 +143,7 @@ keyup_cleanup (void *cls,
  * Offer "keyup" CMD internal data to other commands.
  *
  * @param cls closure.
- * @param ret[out] result
+ * @param[out] ret result
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  *
@@ -189,16 +189,17 @@ TALER_TESTING_cmd_exec_keyup_with_now
   ks->config_filename = config_filename;
   ks->now = now;
   ks->with_now = GNUNET_YES;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = ks,
+      .label = label,
+      .run = &keyup_run,
+      .cleanup = &keyup_cleanup,
+      .traits = &keyup_traits
+    };
 
-  struct TALER_TESTING_Command cmd = {
-    .cls = ks,
-    .label = label,
-    .run = &keyup_run,
-    .cleanup = &keyup_cleanup,
-    .traits = &keyup_traits
-  };
-
-  return cmd;
+    return cmd;
+  }
 }
 
 
@@ -218,16 +219,17 @@ TALER_TESTING_cmd_exec_keyup (const char *label,
 
   ks = GNUNET_new (struct KeyupState);
   ks->config_filename = config_filename;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = ks,
+      .label = label,
+      .run = &keyup_run,
+      .cleanup = &keyup_cleanup,
+      .traits = &keyup_traits
+    };
 
-  struct TALER_TESTING_Command cmd = {
-    .cls = ks,
-    .label = label,
-    .run = &keyup_run,
-    .cleanup = &keyup_cleanup,
-    .traits = &keyup_traits
-  };
-
-  return cmd;
+    return cmd;
+  }
 }
 
 
diff --git a/src/lib/testing_api_cmd_exec_wirewatch.c b/src/lib/testing_api_cmd_exec_wirewatch.c
index 91366316d..75f8f46e4 100644
--- a/src/lib/testing_api_cmd_exec_wirewatch.c
+++ b/src/lib/testing_api_cmd_exec_wirewatch.c
@@ -16,7 +16,6 @@
   License along with TALER; see the file COPYING.  If not, see
   <http://www.gnu.org/licenses/>
 */
-
 /**
  * @file lib/testing_api_cmd_exec_wirewatch.c
  * @brief run the taler-exchange-wirewatch command
@@ -111,7 +110,7 @@ wirewatch_cleanup (void *cls,
  * Offer "wirewatch" CMD internal data to other commands.
  *
  * @param cls closure.
- * @param ret[out] result.
+ * @param[out] ret result.
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success.
@@ -152,16 +151,17 @@ TALER_TESTING_cmd_exec_wirewatch (const char *label,
   ws = GNUNET_new (struct WirewatchState);
   ws->config_filename = config_filename;
 
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = ws,
+      .label = label,
+      .run = &wirewatch_run,
+      .cleanup = &wirewatch_cleanup,
+      .traits = &wirewatch_traits
+    };
 
-  struct TALER_TESTING_Command cmd = {
-    .cls = ws,
-    .label = label,
-    .run = &wirewatch_run,
-    .cleanup = &wirewatch_cleanup,
-    .traits = &wirewatch_traits
-  };
-
-  return cmd;
+    return cmd;
+  }
 }
 
 
diff --git a/src/lib/testing_api_cmd_insert_deposit.c b/src/lib/testing_api_cmd_insert_deposit.c
index 931ceb162..1f257574f 100644
--- a/src/lib/testing_api_cmd_insert_deposit.c
+++ b/src/lib/testing_api_cmd_insert_deposit.c
@@ -141,7 +141,7 @@ insert_deposit_run (void *cls,
     return;
   }
 
-  // prepare and store deposit now.
+  /* prepare and store deposit now. */
   memset (&deposit,
           0,
           sizeof (deposit));
@@ -250,7 +250,7 @@ insert_deposit_cleanup (void *cls,
  * Offer "insert-deposit" CMD internal data to other commands.
  *
  * @param cls closure.
- * @param ret[out] result
+ * @param[out] ret result
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success.
@@ -261,6 +261,10 @@ insert_deposit_traits (void *cls,
                        const char *trait,
                        unsigned int index)
 {
+  (void) cls;
+  (void) ret;
+  (void) trait;
+  (void) index;
   return GNUNET_NO;
 }
 
@@ -288,7 +292,6 @@ TALER_TESTING_cmd_insert_deposit (const char *label,
                                   const char *amount_with_fee,
                                   const char *deposit_fee)
 {
-  struct TALER_TESTING_Command cmd;
   struct InsertDepositState *ids;
 
   ids = GNUNET_new (struct InsertDepositState);
@@ -299,13 +302,17 @@ TALER_TESTING_cmd_insert_deposit (const char *label,
   ids->amount_with_fee = amount_with_fee;
   ids->deposit_fee = deposit_fee;
 
-  cmd.cls = ids;
-  cmd.label = label;
-  cmd.run = &insert_deposit_run;
-  cmd.cleanup = &insert_deposit_cleanup;
-  cmd.traits = &insert_deposit_traits;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = ids,
+      .label = label,
+      .run = &insert_deposit_run,
+      .cleanup = &insert_deposit_cleanup,
+      .traits = &insert_deposit_traits
+    };
 
-  return cmd;
+    return cmd;
+  }
 }
 
 
diff --git a/src/lib/testing_api_cmd_payback.c b/src/lib/testing_api_cmd_payback.c
index 29b407dd4..1fdd2bfea 100644
--- a/src/lib/testing_api_cmd_payback.c
+++ b/src/lib/testing_api_cmd_payback.c
@@ -16,13 +16,11 @@
   License along with TALER; see the file COPYING.  If not, see
   <http://www.gnu.org/licenses/>
 */
-
 /**
  * @file lib/testing_api_cmd_payback.c
  * @brief Implement the /revoke and /payback test commands.
  * @author Marcello Stanisci
  */
-
 #include "platform.h"
 #include "taler_json_lib.h"
 #include <gnunet/gnunet_curl_lib.h>
@@ -112,8 +110,8 @@ struct PaybackState
  * Parser reference to a coin.
  *
  * @param coin_reference of format $LABEL['#' $INDEX]?
- * @param cref[out] where we return a copy of $LABEL
- * @param idx[out] where we set $INDEX
+ * @param[out] cref where we return a copy of $LABEL
+ * @param[out] idx where we set $INDEX
  * @return #GNUNET_SYSERR if $INDEX is present but not numeric
  */
 static int
@@ -459,7 +457,7 @@ payback_cleanup (void *cls,
  * Offer internal data from a "revoke" CMD to other CMDs.
  *
  * @param cls closure
- * @param ret[out] result (could be anything)
+ * @param[out] ret result (could be anything)
  * @param trait name of the trait
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success
@@ -470,7 +468,6 @@ revoke_traits (void *cls,
                const char *trait,
                unsigned int index)
 {
-
   struct RevokeState *rs = cls;
   struct TALER_TESTING_Trait traits[] = {
     /* Needed by the handler which waits the proc'
@@ -596,7 +593,6 @@ TALER_TESTING_cmd_payback (const char *label,
  * @param coin_reference reference to a CMD that will offer the
  *        denomination to revoke.
  * @param config_filename configuration file name.
- *
  * @return the command.
  */
 struct TALER_TESTING_Command
diff --git a/src/lib/testing_api_cmd_refresh.c b/src/lib/testing_api_cmd_refresh.c
index 64215e581..da9f7c051 100644
--- a/src/lib/testing_api_cmd_refresh.c
+++ b/src/lib/testing_api_cmd_refresh.c
@@ -1063,7 +1063,7 @@ refresh_melt_cleanup (void *cls,
  * Offer internal data to the "refresh melt" CMD.
  *
  * @param cls closure.
- * @param ret[out] result (could be anything).
+ * @param[out] ret result (could be anything).
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success.
@@ -1254,7 +1254,7 @@ TALER_TESTING_cmd_refresh_melt_with_retry (struct TALER_TESTING_Command cmd)
  * Offer internal data from a "refresh reveal" CMD.
  *
  * @param cls closure.
- * @param ret[out] result (could be anything).
+ * @param[out] ret result (could be anything).
  * @param trait name of the trait.
  * @param index index number of the object to offer.
  *
@@ -1322,10 +1322,9 @@ refresh_reveal_traits (void *cls,
  * @return the command.
  */
 struct TALER_TESTING_Command
-TALER_TESTING_cmd_refresh_reveal
-  (const char *label,
-  const char *melt_reference,
-  unsigned int expected_response_code)
+TALER_TESTING_cmd_refresh_reveal (const char *label,
+                                  const char *melt_reference,
+                                  unsigned int expected_response_code)
 {
   struct RefreshRevealState *rrs;
 
@@ -1374,25 +1373,25 @@ TALER_TESTING_cmd_refresh_reveal_with_retry (struct TALER_TESTING_Command cmd)
  * @return the "refresh link" command
  */
 struct TALER_TESTING_Command
-TALER_TESTING_cmd_refresh_link
-  (const char *label,
-  const char *reveal_reference,
-  unsigned int expected_response_code)
+TALER_TESTING_cmd_refresh_link (const char *label,
+                                const char *reveal_reference,
+                                unsigned int expected_response_code)
 {
   struct RefreshLinkState *rrs;
 
   rrs = GNUNET_new (struct RefreshLinkState);
   rrs->reveal_reference = reveal_reference;
   rrs->expected_response_code = expected_response_code;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = rrs,
+      .label = label,
+      .run = &refresh_link_run,
+      .cleanup = &refresh_link_cleanup
+    };
 
-  struct TALER_TESTING_Command cmd = {
-    .cls = rrs,
-    .label = label,
-    .run = &refresh_link_run,
-    .cleanup = &refresh_link_cleanup
-  };
-
-  return cmd;
+    return cmd;
+  }
 }
 
 
diff --git a/src/lib/testing_api_cmd_serialize_keys.c b/src/lib/testing_api_cmd_serialize_keys.c
index ab527c8d4..e18a25b77 100644
--- a/src/lib/testing_api_cmd_serialize_keys.c
+++ b/src/lib/testing_api_cmd_serialize_keys.c
@@ -16,13 +16,11 @@
   License along with TALER; see the file COPYING.  If not, see
   <http://www.gnu.org/licenses/>
 */
-
 /**
  * @file lib/testing_api_cmd_serialize_keys.c
  * @brief Lets tests use the keys serialization API.
  * @author Marcello Stanisci
  */
-
 #include "platform.h"
 #include <jansson.h>
 #include "exchange_api_handle.h"
@@ -129,10 +127,9 @@ serialize_keys_cleanup (void *cls,
  * Offer serialized keys as trait.
  *
  * @param cls closure.
- * @param ret[out] result.
+ * @param[out] ret result.
  * @param trait name of the trait.
  * @param index index number of the object to offer.
- *
  * @return #GNUNET_OK on success.
  */
 static int
@@ -253,15 +250,17 @@ TALER_TESTING_cmd_serialize_keys (const char *label)
   struct SerializeKeysState *sks;
 
   sks = GNUNET_new (struct SerializeKeysState);
-  struct TALER_TESTING_Command cmd = {
-    .cls = sks,
-    .label = label,
-    .run = serialize_keys_run,
-    .cleanup = serialize_keys_cleanup,
-    .traits = serialize_keys_traits
-  };
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = sks,
+      .label = label,
+      .run = serialize_keys_run,
+      .cleanup = serialize_keys_cleanup,
+      .traits = serialize_keys_traits
+    };
 
-  return cmd;
+    return cmd;
+  }
 }
 
 
@@ -284,13 +283,14 @@ TALER_TESTING_cmd_connect_with_state (const char *label,
   cwss = GNUNET_new (struct ConnectWithStateState);
   cwss->state_reference = state_reference;
   cwss->consumed = GNUNET_NO;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = cwss,
+      .label = label,
+      .run = connect_with_state_run,
+      .cleanup = connect_with_state_cleanup
+    };
 
-  struct TALER_TESTING_Command cmd = {
-    .cls = cwss,
-    .label = label,
-    .run = connect_with_state_run,
-    .cleanup = connect_with_state_cleanup
-  };
-
-  return cmd;
+    return cmd;
+  }
 }
diff --git a/src/lib/testing_api_cmd_sleep.c b/src/lib/testing_api_cmd_sleep.c
index 751b81c64..f7af53e51 100644
--- a/src/lib/testing_api_cmd_sleep.c
+++ b/src/lib/testing_api_cmd_sleep.c
@@ -46,10 +46,9 @@ struct SleepState
  * some CMDs iterates through the list of all the commands.
  *
  * @param cls closure.
- * @param ret[out] result.
+ * @param[out] ret result.
  * @param trait name of the trait.
  * @param index index number of the trait to return.
- *
  * @return #GNUNET_OK on success.
  */
 static int
@@ -58,6 +57,10 @@ sleep_traits (void *cls,
               const char *trait,
               unsigned int index)
 {
+  (void) cls;
+  (void) ret;
+  (void) trait;
+  (void) index;
   return GNUNET_NO;
 }
 
@@ -93,6 +96,7 @@ sleep_cleanup (void *cls,
 {
   struct SleepState *ss = cls;
 
+  (void) cmd;
   GNUNET_free (ss);
 }
 
@@ -127,102 +131,4 @@ TALER_TESTING_cmd_sleep (const char *label,
 }
 
 
-/**
- * Cleanup the state from a "wait service" CMD.
- *
- * @param cls closure.
- * @param cmd the command which is being cleaned up.
- */
-static void
-wait_service_cleanup (void *cls,
-                      const struct TALER_TESTING_Command *cmd)
-{
-  /* nothing to clean.  */
-  return;
-}
-
-
-/**
- * No traits to offer, just provide a stub to be called when
- * some CMDs iterates through the list of all the commands.
- *
- * @param cls closure.
- * @param ret[out] result.
- * @param trait name of the trait.
- * @param index index number of the trait to return.
- *
- * @return #GNUNET_OK on success.
- */
-static int
-wait_service_traits (void *cls,
-                     const void **ret,
-                     const char *trait,
-                     unsigned int index)
-{
-  return GNUNET_NO;
-}
-
-
-/**
- * Run a "wait service" CMD.
- *
- * @param cls closure.
- * @param cmd the command being run.
- * @param is the interpreter state.
- */
-static void
-wait_service_run (void *cls,
-                  const struct TALER_TESTING_Command *cmd,
-                  struct TALER_TESTING_Interpreter *is)
-{
-  unsigned int iter = 0;
-  const char *url = cmd->cls;
-  char *wget_cmd;
-
-  GNUNET_asprintf (&wget_cmd,
-                   "wget -q -t 1 -T 1 %s -o /dev/null -O /dev/null",
-                   url);
-  do
-  {
-    fprintf (stderr, ".");
-
-    if (10 == iter++)
-    {
-      TALER_LOG_ERROR ("Could not reach the proxied service\n");
-      TALER_TESTING_interpreter_fail (is);
-      GNUNET_free (wget_cmd);
-      return;
-    }
-  }
-  while (0 != system (wget_cmd));
-
-  GNUNET_free (wget_cmd);
-  TALER_TESTING_interpreter_next (is);
-}
-
-
-/**
- * This CMD simply tries to connect via HTTP to the
- * service addressed by @a url.  It attemps 10 times
- * before giving up and make the test fail.
- *
- * @param label label for the command.
- * @param url complete URL to connect to.
- */
-struct TALER_TESTING_Command
-TALER_TESTING_cmd_wait_service (const char *label,
-                                const char *url)
-{
-  struct TALER_TESTING_Command cmd = {
-    .label = label,
-    .run = wait_service_run,
-    .cleanup = wait_service_cleanup,
-    .traits = wait_service_traits,
-    .cls = (void *) url
-  };
-
-  return cmd;
-}
-
-
 /* end of testing_api_cmd_sleep.c  */
diff --git a/src/lib/testing_api_cmd_track.c b/src/lib/testing_api_cmd_track.c
index db3f6ef14..6d095bafb 100644
--- a/src/lib/testing_api_cmd_track.c
+++ b/src/lib/testing_api_cmd_track.c
@@ -369,10 +369,9 @@ track_transaction_cleanup (void *cls,
  * Offer internal data from a "track transaction" CMD.
  *
  * @param cls closure.
- * @param ret[out] result (could be anything).
+ * @param[out] ret result (could be anything).
  * @param trait name of the trait.
  * @param index index number of the object to offer.
- *
  * @return #GNUNET_OK on success.
  */
 static int
@@ -405,7 +404,6 @@ track_transaction_traits (void *cls,
  * @param bank_transfer_reference reference to a command that
  *        can offer a WTID so as to check that against what WTID
  *        the tracked operation has.  Set as NULL if not needed.
- *
  * @return the command.
  */
 struct TALER_TESTING_Command
@@ -733,7 +731,6 @@ track_transfer_run (void *cls,
  * @param index index number of the WTID to track, in case there
  *        are multiple on offer.
  * @param expected_response_code expected HTTP response code.
- *
  * @return the command.
  */
 struct TALER_TESTING_Command
@@ -774,7 +771,6 @@ TALER_TESTING_cmd_track_transfer_empty (const char *label,
  * @param expected_amount how much money we expect being moved
  *        with this wire-transfer.
  * @param expected_wire_fee expected wire fee.
- *
  * @return the command
  */
 struct TALER_TESTING_Command
diff --git a/src/lib/testing_api_cmd_wait.c b/src/lib/testing_api_cmd_wait.c
new file mode 100644
index 000000000..d153229ce
--- /dev/null
+++ b/src/lib/testing_api_cmd_wait.c
@@ -0,0 +1,134 @@
+/*
+  This file is part of TALER
+  (C) 2018 Taler Systems SA
+
+  TALER is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as
+  published by the Free Software Foundation; either version 3, or
+  (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public
+  License along with TALER; see the file COPYING.  If not, see
+  <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file lib/testing_api_cmd_wait.c
+ * @brief command(s) to wait on some process
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_json_lib.h"
+#include <gnunet/gnunet_curl_lib.h>
+#include "exchange_api_handle.h"
+#include "taler_testing_lib.h"
+
+
+/**
+ * Cleanup the state from a "wait service" CMD.
+ *
+ * @param cls closure.
+ * @param cmd the command which is being cleaned up.
+ */
+static void
+wait_service_cleanup (void *cls,
+                      const struct TALER_TESTING_Command *cmd)
+{
+  (void) cls;
+  (void) cmd;
+  /* nothing to clean.  */
+  return;
+}
+
+
+/**
+ * No traits to offer, just provide a stub to be called when
+ * some CMDs iterates through the list of all the commands.
+ *
+ * @param cls closure.
+ * @param[out] ret result.
+ * @param trait name of the trait.
+ * @param index index number of the trait to return.
+ * @return #GNUNET_OK on success.
+ */
+static int
+wait_service_traits (void *cls,
+                     const void **ret,
+                     const char *trait,
+                     unsigned int index)
+{
+  (void) cls;
+  (void) ret;
+  (void) trait;
+  (void) index;
+  return GNUNET_NO;
+}
+
+
+/**
+ * Run a "wait service" CMD.
+ *
+ * @param cls closure.
+ * @param cmd the command being run.
+ * @param is the interpreter state.
+ */
+static void
+wait_service_run (void *cls,
+                  const struct TALER_TESTING_Command *cmd,
+                  struct TALER_TESTING_Interpreter *is)
+{
+  unsigned int iter = 0;
+  const char *url = cmd->cls;
+  char *wget_cmd;
+
+  GNUNET_asprintf (&wget_cmd,
+                   "wget -q -t 1 -T 1 %s -o /dev/null -O /dev/null",
+                   url);
+  do
+  {
+    fprintf (stderr, ".");
+
+    if (10 == iter++)
+    {
+      TALER_LOG_ERROR ("Could not reach the proxied service\n");
+      TALER_TESTING_interpreter_fail (is);
+      GNUNET_free (wget_cmd);
+      return;
+    }
+  }
+  while (0 != system (wget_cmd));
+
+  GNUNET_free (wget_cmd);
+  TALER_TESTING_interpreter_next (is);
+}
+
+
+/**
+ * This CMD simply tries to connect via HTTP to the
+ * service addressed by @a url.  It attemps 10 times
+ * before giving up and make the test fail.
+ *
+ * @param label label for the command.
+ * @param url complete URL to connect to.
+ */
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_wait_service (const char *label,
+                                const char *url)
+{
+  struct TALER_TESTING_Command cmd = {
+    .label = label,
+    .run = wait_service_run,
+    .cleanup = wait_service_cleanup,
+    .traits = wait_service_traits,
+    .cls = (void *) url
+  };
+
+  return cmd;
+}
+
+
+/* end of testing_api_cmd_sleep.c  */
diff --git a/src/lib/testing_api_cmd_withdraw.c b/src/lib/testing_api_cmd_withdraw.c
index 4437c9c98..d3779e20e 100644
--- a/src/lib/testing_api_cmd_withdraw.c
+++ b/src/lib/testing_api_cmd_withdraw.c
@@ -347,7 +347,7 @@ withdraw_cleanup (void *cls,
  * commands.
  *
  * @param cls closure
- * @param ret[out] result (could be anything)
+ * @param[out] ret result (could be anything)
  * @param trait name of the trait
  * @param index index number of the object to offer.
  *
diff --git a/src/lib/testing_api_helpers_bank.c b/src/lib/testing_api_helpers_bank.c
index cdb690932..7ff8d976e 100644
--- a/src/lib/testing_api_helpers_bank.c
+++ b/src/lib/testing_api_helpers_bank.c
@@ -219,7 +219,7 @@ TALER_TESTING_run_bank (const char *config_filename,
  * and reset database.
  *
  * @param config_filename configuration file name.
- * @param bc[out] set to the bank's configuration data
+ * @param[out] bc set to the bank's configuration data
  * @return the base url, or NULL upon errors.  Must be freed
  *         by the caller.
  */
@@ -385,7 +385,7 @@ TALER_TESTING_prepare_bank (const char *config_filename,
  *
  * @param config_filename configuration file to use
  * @param config_section which account to use (must match x-taler-bank)
- * @param bc[out] set to the bank's configuration data
+ * @param[out] bc set to the bank's configuration data
  * @return #GNUNET_OK on success
  */
 int