Function warning

zic.c:734–743

	errors = true;
}

ATTRIBUTE_FORMAT((printf, 1, 2)) static void
warning(char const *msgid, ...)
{
	va_list args;
	fprintf(stderr, _("warning: "));
	va_start(args, msgid);
	verror(msgid, args);
	va_end(args);
	warnings = true;
}

/* Convert ARG, a string in base BASE, to an unsigned long value no