extern char *optarg;
extern int optind;
+__attribute__((noreturn))
static void exit_usage (const char *name, int status) {
fprintf ((status == 0) ? stdout : stderr,
"Usage: %s [options] <command> [cmd options]\n\n"
values_len = 0;
value = tmp;
- while (value != 0) {
+ while (value != NULL) {
char *dot, *endptr;
tmp = strchr (value, (int)':');