Header File 

except.h 

Syntax 

extern unsigned _RTLENTRY __ThrowLineNumber(); 

#define __throwLineNumber __ThrowLineNumber() 

Description 

Use this global variable to get the name of a thrown exception. The output for this variable is a printable character string. 

To get the line number for a thrown exception with __throwLineNumber, you must compile the module with the -xp compiler option.