BUFBIG
num2 = lpbuf + BUFBIG - lpnt; /* # bytes left in output buffer */
lpend = lpbuf + BUFBIG;
lpend = lpbuf + BUFBIG;
if ((outbuf = malloc(BUFBIG + 16)) == NULL) {
if (pindex >= BUFBIG)
lpbuf = malloc((5 * BUFBIG) >> 2); /* output buffer */