ON_EXIT Section: Linux Programmer's Manual (3) Updated: April 2, 2025 Index   NAME on_exit - register a function to be called at normal program termination.   SYNOPSIS #include <stdlib.h> int on_exit(void (*function)(int , void *), void *arg);   DESCRIPTION The on_exit() function registers the given function to be called at normal program termination, whether via or via return from the program's main. The function is passed the argument to and the arg argument from on_exit().   RETURN VALUE The on_exit() function returns the value 0 if successful; otherwise the value -1 is returned.   SEE ALSO   Index NAME SYNOPSIS DESCRIPTION RETURN VALUE SEE ALSO This document was created by using the manual pages. Time: 11:58:05 GMT, March 24, 2025