vlseterrorhandler(3dm)

NAME
     vlSetErrorHandler, vlSetIOErrorHandler - set VL non-fatal or fatal error
     handler

SYNOPSIS
     #include <dmedia/vl.h>

     VLErrorHandler vlSetErrorHandler(VLErrorHandler handler);
     VLIOErrorHandler vlSetIOErrorHandler(VLIOErrorHandler handler);

PARAMETERS
     handler   Specifies handler routine.

DESCRIPTION
     vlSetErrorHandler sets the asynchronous error handler to the function
     specified. This function will be called whenever the VL recieves an
     asynchronous error event from the server. The default error handler
     prints a message and returns.

     vlSetIOErrorHandler sets the fatal error handler routine for the VL. This
     function should not return. The default fatal error handler prints a
     message and exits.

RETURN VALUE
     These functions always return a pointer to the old handler.  If the value
     of the new handler is NULL, the default error handler is restored.