Arguments

 

msgid

   OpenVMS usage:cond_value
   type:         longword (unsigned)
   access:       read only
   mechanism:    by value
   Identification of the message to be retrieved. The msgid argument
   is a longword value containing the message identification. Each
   message has a unique identification, contained in bits 3 through
   27 of system longword condition values.
 

msglen

   OpenVMS usage:word_unsigned
   type:         word (unsigned)
   access:       write only
   mechanism:    by 32- or 64-bit reference
   Length of the message string returned by $GETMSG. The msglen
   argument is the 32- or 64-bit address of a word into which
   $GETMSG writes this length.
 

bufadr

   OpenVMS usage:char_string
   type:         character-coded text string
   access:       write