ATEXIT Section: Linux Programmer's Manual (3) Updated: 14 September 2025 Index   NAME atexit - register a function to be called at normal program termination.   SYNOPSIS #include <stdlib.h> int atexit(void (*function)(void));   DESCRIPTION The atexit() function registers the given function to be called at normal program termination, whether via or via return from the program's main. Functions so registered are called in the reverse order of their registration; no arguments are passed.   RETURN VALUE The atexit() function returns the value 0 if successful; otherwise the value -1 is returned; errno is not set.   CONFORMING TO SVID 3, BSD 4.3, ISO 9899   SEE ALSO   Index NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO SEE ALSO This document was created by using the manual pages. Time: 11:58:02 GMT, March 24, 2025