fd2              1582 lib/vfs/direntry.c vfs_s_select_on_two (int fd1, int fd2)
fd2              1592 lib/vfs/direntry.c     maxfd = MAX (fd1, fd2) + 1;
fd2              1596 lib/vfs/direntry.c     FD_SET (fd2, &set);
fd2              1603 lib/vfs/direntry.c     if (FD_ISSET (fd2, &set))
fd2               189 lib/vfs/xdirentry.h int vfs_s_select_on_two (int fd1, int fd2);