+#define CMD_MSG_OUT_OF_MEMORY "Not enough memory\n"
+#define CMD_MSG_NOT_ENOUGH_ARGS "Not enough arguments for command \"%s\"\n"
+#define CMD_MSG_TOO_MANY_ARGS "Too many arguments for command \"%s\"\n"
+#define CMD_MSG_MISMATCH_ARGS "Incorrect set of arguments for command \"%s\"\n"
+#define CMD_MSG_INVALID_ARG "Invalid value for argument \"%s\"\n"
+#define CMD_MSG_ARG_NOT_FOUND "Syntax error: \"%s\" not found\n"
+#define CMD_MSG_FILE_ERR "Error in file \"%s\" at line %u\n"
+#define CMD_MSG_FAIL "Command \"%s\" failed\n"
+