NAME 
       NewRegion -- Get an empty region.

   SYNOPSIS 
       region = NewRegion()
        d0

        struct region *newregion();

   FUNCTION 
        Create a region structure, initialize it to empty, and return
        a pointer it.

   RESULTS
        region - pointer to initialized region. If it could not allocate
                required memory region = NULL.

   INPUTS 
        none

   BUGS 

   SEE ALSO
        graphics/regions.h