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/memory/free.html
#include <stdlib.h>
 
int main(void)
{
    int *p1 = malloc(10*sizeof *p1);
    free(p1); // every allocated pointer must be freed
 
    int *p2 = calloc(10, sizeof *p2);
    int *p3 = realloc(p2, 1000*sizeof *p3);
    if(p3) // p3 not null means p2 was freed by realloc
       free(p3);
    else // p3 null means p2 was not freed
       free(p2);
}