title	_amsg_exit | Microsoft Docs
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_amsg_exit

Emits a specified runtime error message and then exits your application with error code 255.

Syntax

void _amsg_exit (  
   int rterrnum  
   )  

Parameters

rterrnum
The identification number of a system-defined runtime error message.

Remarks

This function emits the runtime error message to stderr for console applications, or displays the message in a message box for Windows applications. In debug mode, you can choose to invoke the debugger before exiting.

Requirements

Routine	Required header
_amsg_exit	internal.h