262     if (c->msgsize == c->msgused) {  in add_msghdr()
274     msg = c->msglist + c->msgused;  in add_msghdr()
288     c->msgused++;  in add_msghdr()
564     c->msgused = 0;  in conn_new()
817         for (i = 0, iovnum = 0; i < c->msgused; i++) {  in ensure_iov_space()
842         m = &c->msglist[c->msgused - 1];  in add_iov()
848         limit_to_mtu = IS_UDP(c->transport) || (1 == c->msgused);  in add_iov()
854             m = &c->msglist[c->msgused - 1];  in add_iov()
868         m = &c->msglist[c->msgused - 1];  in add_iov()
906     if (c->msgused > c->hdrsize) {  in build_udp_headers()
909             new_hdrbuf = realloc(c->hdrbuf, c->msgused * 2 * UDP_HEADER_SIZE);  in build_udp_headers()
911             new_hdrbuf = malloc(c->msgused * 2 * UDP_HEADER_SIZE);  in build_udp_headers()
921         c->hdrsize = c->msgused * 2;  in build_udp_headers()
925     for (i = 0; i < c->msgused; i++) {  in build_udp_headers()
932         *hdr++ = c->msgused / 256;  in build_udp_headers()
933         *hdr++ = c->msgused % 256;  in build_udp_headers()
961     c->msgused = 0;  in out_string()
1128     c->msgused = 0;  in add_bin_header()
3802     c->msgused = 0;  in process_command()
4104             c->msgused = 0;  in try_read_command()
4352     if (c->msgcurr < c->msgused &&  in transmit()
4357     if (c->msgcurr < c->msgused) {  in transmit()