XtError(3) Library Functions Manual XtError(3)

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

void XtError(String message);

void XtSetErrorHandler(XtErrorHandler handler):

void XtSetWarningHandler(XtErrorHandler handler);

void XtWarning(String message);

message
Specifies the nonfatal error message that is to be reported. or the nonfatal error procedure, which usually returns
handler
Specifies the new fatal error procedure, which should not return,  .
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The XtError function has been superceded by XtAppError.

The XtSetErrorHandler function has been superceded by XtAppSetErrorHandler.

The XtSetWarningHandler function has been superceded by XtAppSetWarningHandler.

The XtWarning function has been superceded by XtAppWarning.

XtAppError(3)
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface
X Version 11 XT COMPATIBILITY FUNCTIONS