dmminq

Name

dmminq — Inquire attributes of dataset

Description

dmminq returns the status of a dataset in the Dynamic Memory buffer. It also returns the Dynamic Memory buffer offset address and the number of integer*4 words occupied by the DMM dataset. If the dataset does not exist, a warning flag is returned in status, which is set to 1.

Specification (F77)

subroutine dmminq(ident, iad, size, status)
integer*4 ident
MCPTR iad
integer*4 size
integer*4 status

Parameters

ident: DMM identifier of dataset to be inquired (input).
iad: Offset (address) of dataset with respect to the DMM reference address (output), counted in 4 byte units. i.e integer*4 words.
size: Number of integer*4 words occupied by the dataset (output).
status: Status code returned (output). A value of 0 indicates that the dataset exists. A negative value indicates an error. A value of 1 indicates that the dataset does not exists. iad and nwords are the set to 0.