/*
 * Copyright (c) Hisilicon Technologies Co., Ltd. 2014-2020. All rights reserved.
 * Description: printf function
 * Author: SmartMedia_BSP
 * Create: 2014-06-04
 */
#include <td_type.h>

int strncmp(const char *cs, const char *ct, size_t count)
{
    int res = 0;
    const char *d = cs;
    const char *s = ct;
    if (cs == NULL) {
        printf("cs is null\n");
        return 0;
    }

    if (ct == NULL) {
        printf("ct is null\n");
        return 0;
    }
    while (count-- && (res = *d - *s) == 0 && *d != '\0' && *s != '\0') {
        d++;
        s++;
    }
    return res;
}