new copyright notice

[unix-history] / usr / src / old / whoami / whoami.c

/*
* Copyright (c) 1988 Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*/

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1988 Regents of the University of California.\n\
All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)whoami.c    5.4 (Berkeley) %G%";
#endif /* not lint */

#include <sys/types.h>
#include <pwd.h>

main()
{
       struct passwd *p, *getpwuid();
       uid_t uid;

       uid = geteuid();
       if (!(p = getpwuid(uid))) {
               printf("whoami: no login associated with uid %u.\n", uid);
               exit(1);
       }
       printf("%s\n", p->pw_name);
       exit(0);
}