static inline bool parse_opt_A(const char *arg)
static inline int parse_opt_A(const char *arg)
static inline bool parse_opt_A(const char *arg){	/* --volume */	int32 tmpi32;		if (set_value(&tmpi32, atoi(arg), 0, MAX_AMPLIFICATION, "Amplification"))		return 1;	amplification = tmpi32;	return 0;}