parm_value       4260 source3/include/proto.h bool lp_string_is_valid_boolean(const char *parm_value);
parm_value       6521 source3/param/loadparm.c bool lp_string_is_valid_boolean(const char *parm_value)
parm_value       6523 source3/param/loadparm.c 	return set_boolean(parm_value, NULL);