fillbuf
ret = fillbuf(pfd[POLL_STDIN].fd, stdinbuf,
ret = fillbuf(pfd[POLL_NETIN].fd, netinbuf,
ssize_t fillbuf(int, unsigned char *, size_t *, struct tls *);
memcpy (&ctx->buffer[bytes], fillbuf, pad);
static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ... */ };
memcpy (&ctx->buffer[bytes], fillbuf, pad);
static const unsigned char fillbuf[128] = { 0x80, 0 /* , 0, 0, ... */ };