taglinefilesource code
pupd681net/unix/sock.cstruct unix_proto_data *pupd;
pupd695net/unix/sock.cpupd = UN_DATA(sock)->peerupd;  /* safer than sock->conn */
pupd697net/unix/sock.cwhile(!(space = UN_BUF_SPACE(pupd))) 
pupd720net/unix/sock.cunix_lock(pupd);
pupd741net/unix/sock.cunix_unlock(pupd);
pupd748net/unix/sock.cif (cando >(part = BUF_SIZE - pupd->bp_head))
pupd751net/unix/sock.cmemcpy_fromfs(pupd->buf + pupd->bp_head, ubuf, cando);
pupd752net/unix/sock.cpupd->bp_head =(pupd->bp_head + cando) &(BUF_SIZE-1);
pupd760net/unix/sock.cspace = UN_BUF_SPACE(pupd);
pupd764net/unix/sock.cunix_unlock(pupd);