C语言中unsigned char* 和 const char*的互相转换
1.unsigned char*转换成const char*
先将unsigned char*转换成char*,再将char*转换成const char*
unsigned char *pstr; const char* p = (const char*)(char*)pstr;
2.const char*转换成unsigned char*
const char* p; unsigned char * pstr = (unsigned char*)p;