SZ                550 user/usertests.c     if(write(fd, "aaaaaaaaaa", SZ) != SZ){
SZ                554 user/usertests.c     if(write(fd, "bbbbbbbbbb", SZ) != SZ){
SZ                565 user/usertests.c   i = read(fd, buf, N*SZ*2);
SZ                566 user/usertests.c   if(i != N*SZ*2){
SZ                751 user/usertests.c       for(i = 0; i < SZ; i++)
SZ                753 user/usertests.c       if(write(fds[1], buf, SZ) != SZ){
SZ                775 user/usertests.c     if(total != N * SZ){
SZ               1098 user/usertests.c   char buf[SZ];
SZ               1140 user/usertests.c   if(nc == N*SZ && np == N*SZ){
SZ               1175 user/usertests.c       memset(buf, '0'+pi, SZ);
SZ               1177 user/usertests.c         if((n = write(fd, buf, SZ)) != SZ){
SZ               1207 user/usertests.c     if(total != N*SZ){
SZ               1299 user/usertests.c   write(fd, "hello", SZ);
SZ               1316 user/usertests.c   if(read(fd, buf, sizeof(buf)) != SZ){
SZ               1346 user/usertests.c   if(write(fd, "hello", SZ) != SZ){
SZ               1368 user/usertests.c   if(read(fd, buf, sizeof(buf)) != SZ){
SZ               1741 user/usertests.c     memset(buf, i, SZ);
SZ               1742 user/usertests.c     if(write(fd, buf, SZ) != SZ){
SZ               1756 user/usertests.c     cc = read(fd, buf, SZ/2);
SZ               1763 user/usertests.c     if(cc != SZ/2){
SZ               1767 user/usertests.c     if(buf[0] != i/2 || buf[SZ/2-1] != i/2){
SZ               1774 user/usertests.c   if(total != N*SZ){