source: trunk/minix/lib/stdio/gets.c@ 20

/*
 * gets.c - read a line from a stream
 */
/* $Header: /cvsup/minix/src/lib/stdio/gets.c,v 1.1.1.1 2005/04/21 14:56:35 beng Exp $ */

#include        <stdio.h>

char *
gets(char *s)
{
        register FILE *stream = stdin;
        register int ch;
        register char *ptr;

        ptr = s;
        while ((ch = getc(stream)) != EOF && ch != '\n')
                *ptr++ = ch;

        if (ch == EOF) {
                if (feof(stream)) {
                        if (ptr == s) return NULL;
                } else return NULL;
        }

        *ptr = '\0';
        return s;
}