PIPE_BUF
#ifndef PIPE_BUF
# define PIPESIZE PIPE_BUF
*retval = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
*retval = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
rv = kn->kn_data >= PIPE_BUF;
if ((bp->size - bp->cnt) >= PIPE_BUF
if ((space < uio->uio_resid) && (uio->uio_resid <= PIPE_BUF))
(wpipe->pipe_buffer.size - wpipe->pipe_buffer.cnt) >= PIPE_BUF))
*retval = PIPE_BUF;
*retval = PIPE_BUF;
u_long hiwat = lowat + PIPE_BUF;
if (wso->so_snd.sb_lowat < PIPE_BUF) {
wso->so_snd.sb_hiwat = PIPE_BUF * 2;
wso->so_snd.sb_lowat = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
if (wso->so_snd.sb_lowat < PIPE_BUF) {
wso->so_snd.sb_hiwat = PIPE_BUF * 2;
wso->so_snd.sb_lowat = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
*retval = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
*ap->a_retval = PIPE_BUF;
*retval = PIPE_BUF;