wf                481 kernel/sysfile.c   struct file *rf, *wf;
wf                486 kernel/sysfile.c   if(pipealloc(&rf, &wf) < 0)
wf                489 kernel/sysfile.c   if((fd0 = fdalloc(rf)) < 0 || (fd1 = fdalloc(wf)) < 0){
wf                493 kernel/sysfile.c     fileclose(wf);
wf                501 kernel/sysfile.c     fileclose(wf);