352 fcntl     (int fildes, int cmd, ...)  in fcntl()  argument
362   if(ValidateFD( fildes, VALID_OPEN )) {  in fcntl()
363     MyFd = &gMD->fdarray[fildes];  in fcntl()
435 dup   (int fildes)  in dup()  argument
437   return fcntl(fildes, F_DUPFD, 0);  in dup()
466 dup2    (int fildes, int fildes2)  in dup2()  argument
470   if(ValidateFD( fildes, VALID_OPEN)) {  in dup2()
472     if( fildes != fildes2) {  in dup2()
476                      &gMD->fdarray[fildes], sizeof(struct __filedes));  in dup2()
1184 read   (int fildes, void *buf, size_t nbyte)  in read()  argument
1192     if(ValidateFD( fildes, VALID_OPEN)) {  in read()
1193       filp = &gMD->fdarray[fildes];  in read()
1196       if(isatty(fildes) && (IIO != NULL)) {  in read()