MAXIBUF
if (iepoint != MAXIBUF)
if ((i = read(io_infd, inbuffer, MAXIBUF)) <= 0) {
ipoint = iepoint = MAXIBUF;
static int ipoint=MAXIBUF, iepoint=MAXIBUF; /* input buffering pointers */
inbuffer = malloc((5 * MAXIBUF) >> 2); /* output buffer */