taglinefilesource code
pupd675net/unix/sock.cstruct unix_proto_data *pupd;
pupd689net/unix/sock.cpupd = UN_DATA(sock)->peerupd;  /* safer than sock->conn */
pupd691net/unix/sock.cwhile(!(space = UN_BUF_SPACE(pupd))) 
pupd712net/unix/sock.cunix_lock(pupd);
pupd733net/unix/sock.cunix_unlock(pupd);
pupd740net/unix/sock.cif (cando >(part = BUF_SIZE - pupd->bp_head))
pupd743net/unix/sock.cmemcpy_fromfs(pupd->buf + pupd->bp_head, ubuf, cando);
pupd744net/unix/sock.cpupd->bp_head =(pupd->bp_head + cando) &(BUF_SIZE-1);
pupd749net/unix/sock.cspace = UN_BUF_SPACE(pupd);
pupd753net/unix/sock.cunix_unlock(pupd);