src/whoami.c

/* Copyright (c) 1979 Regents of the University of California */
#include <retrofit.h>
#include <pwd.h>
/*
 * whoami
 */
struct  passwd *getpwuid();

main()
{
        register struct passwd *pp;

        pp = getpwuid(getuid());
        if (pp == 0) {
                printf("Intruder alert.\n");
                exit(1);
        }
        printf("%s\n", pp->pw_name);
        exit(0);
}