Unicode与GB2312互转

#include 
#include 
#include 

int code_convert( bool uft2gbk, char *inbuf, int inlen, char *outbuf, int outlen ) 
{ 
    iconv_t cd; 
    int rc; 
    char **pin = &inbuf; 
    char **pout = &outbuf; 

    if ( uft2gbk )
        cd = iconv_open( "utf-8", "gb2312" );
    else
        cd = iconv_open( "gb2312", "utf-8" );
        
    if (cd==0) return -1; 

    memset(outbuf,0,outlen); 
    if (iconv(cd,pin,&inlen,pout,&outlen)==-1) return -1; 
    iconv_close(cd); 
    return 0; 
} 

int _tmain(void)
{
    char* chaUni = "你好！";
    char out[255];
    int rec ;


    //gb2312码转为unicode码 
    rec = code_convert( true, chaUni ,strlen(chaUni ),out,255); 
    printf("gb2312-->unicode out=%s\n",out); 

    printf("hello! 你好！ \n");
    return 0;
}