usr/src/lib/libc/stdio/fputs.c

/*
 * Copyright (c) 1984 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifndef lint
static char sccsid[] = "@(#)fputs.c     5.1 (Berkeley) %G%";
#endif not lint

#include        <stdio.h>

fputs(s, iop)
register char *s;
register FILE *iop;
{
        register r = 0;
        register c;
        int unbuffered;
        char localbuf[BUFSIZ];

        unbuffered = iop->_flag & _IONBF;
        if (unbuffered) {
                iop->_flag &= ~_IONBF;
                iop->_ptr = iop->_base = localbuf;
                iop->_bufsiz = BUFSIZ;
        }

        while (c = *s++)
                r = putc(c, iop);

        if (unbuffered) {
                fflush(iop);
                iop->_flag |= _IONBF;
                iop->_base = NULL;
                iop->_bufsiz = NULL;
                iop->_cnt = 0;
        }

        return(r);
}