ff                 62 kernel/file.c    struct file ff;
ff                 71 kernel/file.c    ff = *f;
ff                 76 kernel/file.c    if(ff.type == FD_PIPE){
ff                 77 kernel/file.c      pipeclose(ff.pipe, ff.writable);
ff                 78 kernel/file.c    } else if(ff.type == FD_INODE || ff.type == FD_DEVICE){
ff                 80 kernel/file.c      iput(ff.ip);
ff                 18 user/forphan.c   char *ff = "file0";
ff                 20 user/forphan.c   if ((fd = open(ff, O_CREATE|O_WRONLY)) < 0) {
ff                 28 user/forphan.c   if (unlink(ff) < 0) {
ff                 32 user/forphan.c   if (open(ff, O_RDONLY) != -1) {