logname.c - sbase - suckless unix tools
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       ---
       logname.c (422B)
       ---
            1 /* See LICENSE file for copyright and license details. */
            2 #include <stdio.h>
            3 #include <unistd.h>
            4 
            5 #include "util.h"
            6 
            7 static void
            8 usage(void)
            9 {
           10         eprintf("usage: %s\n", argv0);
           11 }
           12 
           13 int
           14 main(int argc, char *argv[])
           15 {
           16         char *login;
           17 
           18         argv0 = *argv, argv0 ? (argc--, argv++) : (void *)0;
           19 
           20         if (argc)
           21                 usage();
           22 
           23         if ((login = getlogin()))
           24                 puts(login);
           25         else
           26                 eprintf("no login name\n");
           27 
           28         return fshut(stdout, "<stdout>");
           29 }