/*
 * Copyright (c) 1983, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * ...
 */

...

int
main(argc, argv)
	int argc;
	char *argv[];
{
	register FILE *fp;
	register int ch;
	...
	char **ap, *av[ENTRIES + 1], **comp, line[1024], *prog;

	prog = _PATH_FINGER;
	logging = secure = 0;
        ...

	if (!fgets(line, sizeof(line), stdin))
		exit(1);
	
	...

	switch(vfork()) {
	case 0:
		(void)close(p[0]);
		if (p[1] != 1) {
			(void)dup2(p[1], 1);
			(void)close(p[1]);
		}
		execv(prog, comp);
		err("execv: %s: %s", prog, strerror(errno));
		_exit(1);
	case -1:
		err("fork: %s", strerror(errno));
	}
        ...