/* See LICENSE file for copyright and license details. */ #include #include #include "util.h" static void usage(void) { eprintf("usage: %s\n", argv0); } int main(int argc, char *argv[]) { char *login; argv0 = *argv, argv0 ? (argc--, argv++) : (void *)0; if (argc) usage(); if ((login = getlogin())) puts(login); else eprintf("no login name\n"); return fshut(stdout, ""); }