5217     char_u	*retval = NULL;  in string_convert_ext()  local
5234 	    retval = alloc(len * 2 + 1);  in string_convert_ext()
5235 	    if (retval == NULL)  in string_convert_ext()
5237 	    d = retval;  in string_convert_ext()
5251 		*lenp = (int)(d - retval);  in string_convert_ext()
5255 	    retval = alloc(len * 3 + 1);  in string_convert_ext()
5256 	    if (retval == NULL)  in string_convert_ext()
5258 	    d = retval;  in string_convert_ext()
5277 		*lenp = (int)(d - retval);  in string_convert_ext()
5282 	    retval = alloc(len + 1);  in string_convert_ext()
5283 	    if (retval == NULL)  in string_convert_ext()
5285 	    d = retval;  in string_convert_ext()
5298 			vim_free(retval);  in string_convert_ext()
5338 			    vim_free(retval);  in string_convert_ext()
5353 		*lenp = (int)(d - retval);  in string_convert_ext()
5358 	    retval = mac_string_convert(ptr, len, lenp, vcp->vc_fail,  in string_convert_ext()
5363 	    retval = mac_string_convert(ptr, len, lenp, vcp->vc_fail,  in string_convert_ext()
5368 	    retval = mac_string_convert(ptr, len, lenp, vcp->vc_fail,  in string_convert_ext()
5373 	    retval = mac_string_convert(ptr, len, lenp, vcp->vc_fail,  in string_convert_ext()
5380 	    retval = iconv_string(vcp, ptr, len, unconvlenp, lenp);  in string_convert_ext()
5405 		    retval = alloc(1);  in string_convert_ext()
5406 		    if (retval)  in string_convert_ext()
5407 			retval[0] = NUL;  in string_convert_ext()
5408 		    return retval;  in string_convert_ext()
5426 	    retval = alloc(retlen + 1);  in string_convert_ext()
5427 	    if (retval != NULL)  in string_convert_ext()
5430 		    utf16_to_utf8(tmp, tmp_len, retval);  in string_convert_ext()
5434 					  (char *)retval, retlen, 0, 0);  in string_convert_ext()
5435 		retval[retlen] = NUL;  in string_convert_ext()
5445     return retval;  in string_convert_ext()