Function:     irlrs_set

Purpose:      Basic LRS set access routines

Category:     LRS

File:         irlrs_set.c

Author:       P.R. Roelfsema

Description:

                The file irlrs_set.c contains all the basic LRS set
              creation and acess routines.
              The following are available:

              IRLRS_SET_CREATE  - creates an empty LRS set.
              IRLRS_SET_DELETE  - deletes an LRS set.
              IRLRS_SET_EXIST   - checks whether an LRS set exists.
              IRLRS_SET_ADDSNIP - extends an LRS set for new snips.

              IRLRS_SET_ENQUIRE - returns header info for an LRS set.
              IRLRS_SET_WRSNIP  - writes data for a snip to an LRS set.
              IRLRS_SET_RDSNIP  - reads data for a snip from an LRS set.

Updates:      Jan 29, 1991: PRR, Creation date