Function err

ccan/ccan/err/err.c:18–29

}

void NORETURN err(int eval, const char *fmt, ...)
{
	int err_errno = errno;
	va_list ap;

	fprintf(stderr, "%s: ", progname);
	va_start(ap, fmt);
	vfprintf(stderr, fmt, ap);
	va_end(ap);
	fprintf(stderr, ": %s\n", strerror(err_errno));
	exit(eval);
}

void NORETURN errx(int eval, const char *fmt, ...)
{