diff --git a/src/commands.c b/src/commands.c
index 00b606b..d391b19 100644
--- a/src/commands.c
+++ b/src/commands.c
@@ -192,3 +192,10 @@ f2b_cmd_parse(const char *src, char *buf, size_t buflen) {
 
   return CMD_NONE;
 }
+
+bool
+f2b_cmd_check_argc(enum f2b_cmd_type type, int argc) {
+  if (commands[type].argc == argc)
+    return true;
+  return false;
+}
diff --git a/src/commands.h b/src/commands.h
index b9f7e97..a4fb3b3 100644
--- a/src/commands.h
+++ b/src/commands.h
@@ -34,4 +34,7 @@ void f2b_cmd_help();
 enum f2b_cmd_type
 f2b_cmd_parse(const char *src, char *buf, size_t buflen);
 
+bool
+f2b_cmd_check_argc(enum f2b_cmd_type type, int argc);
+
 #endif /* F2B_COMMANDS_H_ */