cgrammar 0.9.1

A comprehensive C language grammar parser library written in Rust, implementing the C23 standard (ISO/IEC 9899:2023).
Documentation 
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//en.cppreference.com/w/c/program/quick_exit.html
#include <stdlib.h>
#include <stdio.h>
 
void f1(void)
{
    puts("pushed first");
    fflush(stdout);
}
 
void f2(void)
{
    puts("pushed second");
}
 
void f3(void)
{
    puts("won't be called");
}
 
int main(void)
{
    at_quick_exit(f1);
    at_quick_exit(f2);
    atexit(f3);
    quick_exit(0);
}