#include <stdlib.h> int atexit(void (*func)(void));
This function places the specified function func on a list of
functions to be called when exit
is called. These functions are
called as if a last-in-first-out queue is used, that is, the last
function registered with atexit
will be the first function called
by exit
.
At least 32 functions can be registered this way.
Zero on success, non-zero on error.
ANSI, POSIX
void exit_func() { remove("file.tmp"); } ... atexit(exit_func); ...
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