Arguments

 

invo_context

   OpenVMS usage:invo_context_blk
   type:         structure
   access:       modify
   mechanism:    by reference

   Address of a valid invocation context block.
 

index

   OpenVMS usage:index
   type:         longword
   access:       read
   mechanism:    by value

   Index into the FREG array of the invocation context block.
 

fr_copy

   OpenVMS usage:floating-point value
   type:         octaword
   access:       write
   mechanism:    by value

   Address of an octaword that contains the floating-point value to
   be written to the invocation context block.