变长参数列表不能再调用变长参数

void PrintTxt(const char* fmt , ... ){ va_start( args, fmt ); vsprintf( buffer, fmt, args ); OutputDebugString( buffer ) ; }void PrintTxtDebug(const char* fmt , ... ){#ifdef _DEBUG PrintTxt( fmt ) ;//此处崩溃！#endif}void PrintTxtAll(const char* fmt , ... ){ PrintTxt( fmt ) ;//此处崩溃！}正确写法如下void PrintTxt(const char* &fmt ){ va_start( args, fmt ); vsprintf( buffer, fmt, args ); OutputDebugString( buffer ) ; }void PrintTxtDebug(const char* fmt , ... ){#ifdef _DEBUG PrintTxt( fmt ) ;//OK#endif}void PrintTxtAll(const char* fmt , ... ){ PrintTxt( fmt ) ;//OK}