PDP-10 Archive: c/lib5/stdio/gets.c from SRI_NIC_PERM_FS_1

Trailing-Edge - PDP-10 Archives - SRI_NIC_PERM_FS_1_19910112 - c/lib5/stdio/gets.c

There are 7 other files named gets.c in the archive. Click here to see a list.

/*
 *	GETS - get a string from stdin
 *
 *	Copyright (c) 1986 by Ian Macky, SRI International
 */

#include "stdio.h"

char *gets(s)
register char *s;
{
    register int c;
    register char *original_s;

    if (!_readable(stdin)) return NULL;
    original_s = s;
    while ((c = getchar()) != EOF && c != '\n')
	*s++ = c;
    if (c == EOF && s == original_s) return NULL;
    *s = '\0';
    return original_s;
}