%N hseek %F $MIR/src/subs/hio.c
%D Set default offset (in bytes) of an item.
%P pjt
%: low-level-i/o
%B
FORTRAN call sequence
        integer function hseek(itno,offset)
        integer itno,offset

  This sets the default access point of an item. This Can be used to
  reposition an item when reading/writing using hreada/hwritea.

  Input:
    itno        The handle of the item of interest.
    offset      The new offset.                                         
