Fotran/C linkage on 64-bit machines

[F Nagle]

  Please forward this note to an appropriate person. 

 In using the g77 Fortran compiler on a 32-bit computer I have no trouble when 
invoking a routine written in C from a Fortran program.  Fortran typically 
passes the address (i.e. pointer) of its arguments, and my C routine accepts 
the arguments as such.,  But on a 64-bit platform the result is wrong, usually 
zero.  I am running under Red Hat Linux.

  Is there a simple fix to this problem?

  F W NAGLE

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