a test

#include <iostream>
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
int tes()
{

    unsigned __int64 ui64;
    char c[] = "17592186044415";
    sscanf_s(c, "%I64x", &ui64);
    printf("test uint64_t : %" PRIu64 "\n", ui64);
    system("pause");
    return 0;
}