;
; INPUT:
; DECARR = Name of the array containing encrypted message strings
; to be decrypted.
; INV = Name of the array which the API will use to return the
; decrypted message string. Pass by reference.
; If local symbol space is low, the API will return a global array.
; DESKEY = DES encryption key. This parameter is only needed
; for the first string to be decrypted.
; INERR = Error message. Pass by reference.