_getprogname
fprintf(err_file, "%s: ", _getprogname());
fprintf(err_file, "%s: ", _getprogname());
fprintf(err_file, "%s: ", _getprogname());
__weak_reference(_getprogname, getprogname);
(void)snprintf(buf, SPT_BUFSIZE, "%s: ", _getprogname());
LogTag = _getprogname();
_getprogname(), getpid());
snprintf(outname, sizeof(outname), "%s.gmon", _getprogname());
#define getprogname _getprogname
_write(STDERR_FILENO, _getprogname(), strlen(_getprogname()));
_getprogname(), optopt);
"%s: illegal option -- %c\n", _getprogname(),
const char *_getprogname(void);