unmount(2)                                             unmount(2)



     NAME
          unmount - remove a file system

     SYNOPSIS
          unmount(name)
          char *name;

     DESCRIPTION
          unmount announces to the system that the directory name is
          no longer to refer to the root of a mounted file system.
          The directory name reverts to its ordinary interpretation.

     RETURN VALUE
          unmount returns 0 if the action occurred; -1 if if the
          directory is inaccessible or does not have a mounted file
          system, or if there are active files in the mounted file
          system.

     ERRORS
          unmount may fail with one of the following errors:

          [EINVAL]       The caller is not the super-user.

          [EINVAL]       name is not the root of a mounted file
                         system.

          [EBUSY]        A process is holding a reference to a file
                         located on the file system.

     SEE ALSO
          mount(2), mount(1M), umount(1M).

     BUGS
          The error codes are in a state of disarray; too many errors
          appear to the caller as one value.




















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