func: static void goodB2G() wchar_t * data ; wchar_t * * dataPtr1 = & data ; data = NULL; wchar_t * data = * dataPtr1 ; data = ( wchar_t * ) realloc ( data , 20 * sizeof ( wchar_t ) ); * dataPtr1 = data; if ( data != NULL )  wcscpy ( data , L "Initialize" ) printWLine ( data ); void printWLine (const wchar_t * line) if ( line != NULL )  wprintf ( L "%ls\n" , line ) free ( data ); 