%N hsize %F $MIR/src/subs/hio.c
%D Determine the size (in bytes) of an item.
%P pjt
%: low-level-i/o
%B
FORTRAN call sequence
        integer function hsize(itno)
        integer itno

  This returns the size of an item, in bytes.

  Input:
    itno        The handle of the item of interest.
  Output:
    hsize       The size of the item in bytes.                          
