crc32 in zlib

test_crc32.c

/* @(#)test_crc32.cpp
 * Time-stamp: < 2011-12-26 11:30:17>
 * Copyright 2011
 * Version: $Id: test_crc32.c,v 0.0 2011/12/26 03:25:28 jqian Exp $
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <zlib.h>

void test_crc32(const char* str){
    uLong crc = crc32(0L, Z_NULL, 0);
    int len = strlen(str);
    crc = crc32(crc, (const Bytef*)str, len);
    printf("%u\n", crc);
}

int main(int argc, char *argv[]){
    const char str[5][10] = {
        "123455",
        "123456",
        "123457",
        "123458",
        "123459"
    };

    for (int i = 0; i < 5; ++i) {
        test_crc32(str[i]);
    }
    return 0;
}