Name:         PGQNDT

Purpose:      inquire number of available device types

Category:     GRAPHICS

File:         pgplot.src

Author:       T.J. Pearson

Use:          see description below.

Description:

            SUBROUTINE PGQNDT(N)
            INTEGER N
      
       Return the number of available device types. This routine is
       usually used in conjunction with PGQDT to get a list of the
       available device types.
      
       Arguments:
        N      (output) : the number of available device types.

Updates:      Oct 16, 1998: JPT automatically extracted from source.