2881     yankreg_T	*y_ptr,		// pointer to yank register  in str_to_reg()  argument
2901     if (y_ptr->y_array == NULL)		// NULL means empty register  in str_to_reg()
2902 	y_ptr->y_size = 0;  in str_to_reg()
2928 	if (y_ptr->y_size > 0 && y_ptr->y_type == MCHAR)  in str_to_reg()
2936     if (y_ptr->y_size + newlines == 0)  in str_to_reg()
2938 	VIM_CLEAR(y_ptr->y_array);  in str_to_reg()
2944     pp = lalloc_clear((y_ptr->y_size + newlines) * sizeof(char_u *), TRUE);  in str_to_reg()
2947     for (lnum = 0; lnum < y_ptr->y_size; ++lnum)  in str_to_reg()
2948 	pp[lnum] = y_ptr->y_array[lnum];  in str_to_reg()
2949     vim_free(y_ptr->y_array);  in str_to_reg()
2950     y_ptr->y_array = pp;  in str_to_reg()
2987 		extra = (int)STRLEN(y_ptr->y_array[lnum]);  in str_to_reg()
2995 		mch_memmove(s, y_ptr->y_array[lnum], (size_t)extra);  in str_to_reg()
2997 		vim_free(y_ptr->y_array[lnum]);  in str_to_reg()
3002 	    y_ptr->y_array[lnum++] = s;  in str_to_reg()
3012     y_ptr->y_type = type;  in str_to_reg()
3013     y_ptr->y_size = lnum;  in str_to_reg()
3015 	y_ptr->y_width = (blocklen < 0 ? maxlen - 1 : blocklen);  in str_to_reg()
3017 	y_ptr->y_width = 0;  in str_to_reg()
3019     y_ptr->y_time_set = vim_time();  in str_to_reg()