4.3BSD - /usr/src/lib/libc/stdio/setbuf.c

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #if defined(LIBC_SCCS) && !defined(lint)
   8: static char sccsid[] = "@(#)setbuf.c	5.2 (Berkeley) 3/9/86";
   9: #endif LIBC_SCCS and not lint
  10: 
  11: #include    <stdio.h>
  12: 
  13: setbuf(iop, buf)
  14: register FILE *iop;
  15: char *buf;
  16: {
  17:     if (iop->_base != NULL && iop->_flag&_IOMYBUF)
  18:         free(iop->_base);
  19:     iop->_flag &= ~(_IOMYBUF|_IONBF|_IOLBF);
  20:     if ((iop->_base = buf) == NULL) {
  21:         iop->_flag |= _IONBF;
  22:         iop->_bufsiz = NULL;
  23:     } else {
  24:         iop->_ptr = iop->_base;
  25:         iop->_bufsiz = BUFSIZ;
  26:     }
  27:     iop->_cnt = 0;
  28: }

Defined functions

Defined variables