Use this function for extension errors that contain additional error values beyond those in a core X error. This function returns any previously defined procedure. Extension Specifies the extension number.
Procedure Specifies the routine to call when an error is printed.
Related Information Using Extensions in AIXwindows in AIX Version 4.3 AIXwindows Programming Guide . AIXwindows Overview for Programmers in AIX Version 4.3 AIXwindows Programming Guide .