XtError, XtSetErrorHandler, XtSetWarningHandler, XtWarning - low-level error handlers

message   Specifies the nonfatal error message that is to be reported.

       handler   Specifies  the  new  fatal  error  procedure,  which  should  not return, or the nonfatal error
                 procedure, which usually returns.

       message   Specifies the message that is to be reported.

       The XtError function has been superceded by XtAppError.

       The XtSetErrorHandler function has been superceded by XtAppSetErrorHandler.

       The XtSetWarningHandler function has been superceded by XtAppSetWarningHandler.

       The XtWarning function has been superceded by XtAppWarning.

       XtError, XtSetErrorHandler, XtSetWarningHandler, XtWarning - low-level error handlers

XtAppError(3)
       XToolkitIntrinsics-CLanguageInterfaceXlib-CLanguageXInterface

X Version 11                                       libXt 1.2.1                                        XtError(3)

       #include <X11/Intrinsic.h>

       void XtError(const char *message);

       void XtSetErrorHandler(XtErrorHandler handler);

       void XtSetWarningHandler(XtErrorHandler handler);

       void XtWarning(const char *message);