OUTBUFSIZE
if (outbytes < OUTBUFSIZE)
(void)fwrite(outbuf, 1, OUTBUFSIZE - outbytes,
outbytes = OUTBUFSIZE;
if (outbytes < OUTBUFSIZE)
(void)fwrite(outbuf, 1, OUTBUFSIZE - outbytes, stdout);
char inbuf[INBUFSIZE], outbuf[OUTBUFSIZE], *in, *out;
outbytes = OUTBUFSIZE;