; * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
;+
; NAME:
;     POINTER_HELP
;
; PURPOSE:
;     Prints help on a dereferenced pointer.  Checks for pointer validity.
;
; TYPE:
;     PROCEDURE
;
; CATEGORY:
;     POINTERS
;
; CALLING SEQUENCE:
;     POINTER_HELP, *pointer
;
; INPUTS:
;     pointer: An IDL pointer  
;
; KEYWORD PARAMETERS:
;     NONE
;
; OUTPUTS:
;     IDL output of command "HELP, *pointer" is printed to stdout.
;
; COMMON BLOCKS:
;     NONE
;
; SIDE EFFECTS:
;     NONE
;
; RESTRICTIONS:
;     NONE
;
; DEPENDENCIES:
;     NONE
;
; MODIFICATION HISTORY:
;     Written, Robert.Mallozzi@msfc.nasa.gov, 1998 March.
;
;-
; * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 

PRO POINTER_HELP, pointer

    IF (PTR_VALID (pointer)) THEN BEGIN
    
       HELP, *pointer
       
    ENDIF   


END