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How to execute _ _ attribute__ ((constructor)) and _ _ attribute__ ((destructor))

2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >

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This article mainly explains how to implement _ _ attribute__ ((constructor)) and _ _ attribute__ ((destructor)). Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to implement _ _ attribute__ ((constructor)) and _ _ attribute__ ((destructor)).

_ _ attribute__ ((constructor)) executes before main

_ _ attribute__ ((destructor)) executes after main

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# include int main (int argc, char * argv []) {printf ("main\ n"); return 0;} static void _ attribute__ ((constructor (103) before_main_103 () {printf ("before main 103\ n");} static void _ attribute__ ((constructor (101)) before_main_101 () {printf ("before main 101\ n") } static void _ attribute__ ((constructor)) before_main_102 () {printf ("before main 102\ n");} so far, I believe you have a deeper understanding of "_ _ attribute__ ((constructor)) and _ _ attribute__ ((destructor))". You might as well do it in practice! Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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