+/* Helpful alias for version prescan */
+#define is_LAX_VERSION(a,b) \
+ (a != Perl_prescan_version(aTHX_ a, FALSE, b, NULL, NULL, NULL, NULL))
+
+#define is_STRICT_VERSION(a,b) \
+ (a != Perl_prescan_version(aTHX_ a, TRUE, b, NULL, NULL, NULL, NULL))
+
+#define BADVERSION(a,b,c) \
+ if (b) { \
+ *b = c; \
+ } \
+ return a;