static inline bool parse_opt_g(const char *arg)
static inline int parse_opt_g(const char *arg)
static inline bool parse_opt_g(const char *arg){#ifdef SUPPORT_SOUNDSPEC	spectrogram_update_sec = atof(arg);	if (spectrogram_update_sec <= 0) {		ctl->cmsg(CMSG_ERROR, VERB_NORMAL,				"Invalid -g argument: `%s'", arg);		return 1;	}	view_soundspec_flag = 1;	return 0;#else	ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "-g option is not supported");	return 1;#endif	/* SUPPORT_SOUNDSPEC */}