declen           1152 ext/standard/math.c 		int declen = dp ? s - dp : 0;
declen           1153 ext/standard/math.c 		int topad = dec > declen ? dec - declen : 0;
declen           1161 ext/standard/math.c 			s -= declen + 1; /* +1 to skip the point */
declen           1162 ext/standard/math.c 			t -= declen;
declen           1165 ext/standard/math.c 			memcpy(t + 1, dp + 1, declen);