Arguments

 

integer

   OpenVMS usage:longword_unsigned
   type:         longword (unsigned)
   access:       read only
   mechanism:    by reference
   First parameter to the built-in procedure CALL_USER. This is an
   input-only parameter and must not be modified.
 

stringin

   OpenVMS usage:char_string
   type:         character string
   access:       read only
   mechanism:    by descriptor
   Second parameter to the built-in procedure CALL_USER. This is an
   input-only parameter and must not be modified.
 

stringout

   OpenVMS usage:char_string
   type:         character string
   access:       modify
   mechanism:    by descriptor
   Return value for the built-in procedure CALL_USER. Your program
   should fill in this descriptor with a dynamic string allocated by
   the string routines (such as LIB$SGET1_DD) provided by the Run-
   Time Library. The TPU editor frees this string when necessary.