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/io/vfscanf.html
#include <stdio.h>
#include <stdbool.h>
#include <stdarg.h>
 
bool checked_sscanf(int count, const char* buf, const char *fmt, ...)
{
    va_list ap;
    va_start(ap, fmt);
    int rc = vsscanf(buf, fmt, ap);
    va_end(ap);
    return rc == count;
}
 
int main(void)
{
    int n, m;
 
    printf("Parsing '1 2'...");
    if(checked_sscanf(2, "1 2", "%d %d", &n, &m))
        puts("success");
    else
        puts("failure");
 
    printf("Parsing '1 a'...");
    if(checked_sscanf(2, "1 a", "%d %d", &n, &m))
        puts("success");
    else
        puts("failure");
}