#define reg_node S_reg_node
#define regpiece S_regpiece
#define reginsert S_reginsert
-#define regoptail S_regoptail
#define regtail S_regtail
#define regwhite S_regwhite
#define nextchar S_nextchar
#define reg_node(a,b) S_reg_node(aTHX_ a,b)
#define regpiece(a,b) S_regpiece(aTHX_ a,b)
#define reginsert(a,b,c) S_reginsert(aTHX_ a,b,c)
-#define regoptail(a,b,c) S_regoptail(aTHX_ a,b,c)
#define regtail(a,b,c) S_regtail(aTHX_ a,b,c)
#define regwhite S_regwhite
#define nextchar(a) S_nextchar(aTHX_ a)