Linux 环境c++ 编码转换

 #include <iconv.h>

 //代码转换:从一种编码转为另一种编码 

 static int CodeConvert(char *from_charset,char *to_charset,char *inbuf,long inlen,char *outbuf,long outlen)

 { 

 iconv_t cd;    

 int rc;    

 //char **pin   =   &inbuf;    

 char *pin   =   inbuf;    

 //char **pout   =   &outbuf;    

 char *pout   =   outbuf;    

 cd = iconv_open(to_charset,from_charset);    

 if (cd==)   

     return -;    

 memset(outbuf,,outlen);    

 printf("^^^^^^^^^^^^^^^^^^^^\n\n\n");

 if (iconv(cd, (char **)&pin, (size_t*)&inlen, &pout, (size_t*)&outlen)==-)   

     return -; 

 printf("######################\n\n\n");

 iconv_close(cd);    

 return ; 

 } 

 //UNICODE码转为GB2312码 

 static int u2g(char *inbuf,int inlen,char *outbuf,int outlen) 

 { 

     return CodeConvert( "utf-8", "gb18030",inbuf,inlen,outbuf,outlen); 

 } 

 //GB2312码转为UNICODE码 

 static int g2u(char *inbuf,size_t inlen,char *outbuf,size_t outlen) 

 { 

 return CodeConvert( "gb18030", "utf-8",inbuf,inlen,outbuf,outlen); 

 }