User Guide

5-64 Ampex 1308911-02
Model No.
Running Head
dst_version libdd2 API Functions
5.21 dst_version
NAME
dst_version() - get version information for the tape device driver.
SYNOPSIS
#include <dd2.h>
int dst_version(int fd , dst_dri_ver *ver );
DESCRIPTION
dst_version() returns version information that identifies the current tape device driver. This
information is intended primarily for checking whether the interface supported by the tape
device driver differs from that of the calling program.
dst_version() is available to all users.
PARAMETERS
fd The file descriptor returned by the open call.
*ver Pointer to a structure of type
dst_dri_ver
.
USAGE
dst_version() reports current tape device driver version information in the * ver structure.
struct dst_dri_ver
{
char version[80];
char notes[80];
char comments[80];
};
STRUCTURE MEMBERS
version
80-byte character array that reports the current tape device driver
version (for example “4.0”).
notes
80-byte character array that provides a short description on the latest
changes or added functionality (such as “Now Supports AIX”).
comments
80-byte character array that reports the tape device driver’s release date
(for example “Released 31st July 1996”).