static inline bool parse_opt_P(const char *arg)
static inline int parse_opt_P(const char *arg)
static inline bool parse_opt_P(const char *arg){	/* set overriding instrument */	strncpy(def_instr_name, arg, sizeof(def_instr_name));	def_instr_name[sizeof(def_instr_name) - 1] = '\0';	return 0;}