Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
                           int atexit( void func )                           
                                                                                
                                                                                
        - prototype in stdlib.h                                                 
                                                                                
        - func is defined as void (*func)(void)                                 
        - calls func() before exiting to DOS                                    
        - up to 32 functions can be called (if 32 atexit calls registered)      
        - should be located in main & executed before anything else             
        - returns 0 if OK, else nonzero if no space to register function        
                                                                                
                                                                                
 

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