* Any regex engine implementation must be able to build one of these.
*/
typedef struct regexp_engine {
- REGEXP* (*comp) (pTHX_ const SV * const pattern, U32 flags);
+ REGEXP* (*comp) (pTHX_ SV * const pattern, U32 flags);
I32 (*exec) (pTHX_ REGEXP * const rx, char* stringarg, char* strend,
char* strbeg, I32 minend, SV* screamer,
void* data, U32 flags);