By mswatcher
via codecogs.com
Submitted: Feb 09 2013 / 12:34
The atexit function registers the given function to be called at program exit, whether via exit or via return from the program's main. Functions so registered are called in reverse order; no arguments are passed. These functions must not call exit; if it should be necessary to terminate the process while in such a function, the _exit function should be used. Alternatively, the function may cause abnormal process termination, for example by calling abort.
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