#ifndef CHAR_ENCODE_H__
#define CHAR_ENCODE_H__

#include "stdint.h"

uint8_t *uni2utf8(const uint8_t *uni_in, uint8_t **utf8_out);

uint8_t *utf82uni(const uint8_t *uft8_in, uint8_t **uni_out);

uint8_t *gbk2uni(uint8_t *gbk_in, uint8_t **uni_out);

// Unicode编码转GBK编码
// 高字节在前
uint8_t *uni2gbk(uint8_t *uni_in, uint8_t **gbk_out);

// Unicode转utf-8，
void uni2utf8_str(uint8_t *uni_in, uint8_t *utf8_out);

// UTF8转Unicode
void utf82uni_str(uint8_t *uft8_in, uint8_t *uni_out);

// GBK转Unicode
void gbk2uni_str(uint8_t *gbk_in, uint8_t *uni_out);

// Unicode编码转GBK编码
// 高字节在前
void uni2gbk_str(uint8_t *uni_in, uint8_t *gbk_out);

// GBK转UTF8
void gbk2utf8_str(uint8_t *gbk_in, uint8_t *utf8_out);

// UTF8转GBK
void utf82gbk_str(uint8_t *utf8_in, uint8_t *gbk_out);

// 汉字编码转化测试
// 返回值
// 0，测试成功，非0失败
int char_encode_test(char *str_input);

#endif