PERL_CALLCONV void Perl_hv_undef(pTHX_ HV* tb);
PERL_CALLCONV I32 Perl_ibcmp(pTHX_ const char* a, const char* b, I32 len);
PERL_CALLCONV I32 Perl_ibcmp_locale(pTHX_ const char* a, const char* b, I32 len);
+PERL_CALLCONV I32 Perl_ibcmp_utf8(pTHX_ const char* a, bool ua, const char* b, bool ub, I32 len);
PERL_CALLCONV bool Perl_ingroup(pTHX_ Gid_t testgid, Uid_t effective);
PERL_CALLCONV void Perl_init_argv_symbols(pTHX_ int, char **);
PERL_CALLCONV void Perl_init_debugger(pTHX);
PERL_CALLCONV OP* Perl_invert(pTHX_ OP* cmd);
PERL_CALLCONV bool Perl_is_gv_magical(pTHX_ char *name, STRLEN len, U32 flags);
PERL_CALLCONV I32 Perl_is_lvalue_sub(pTHX);
-PERL_CALLCONV bool Perl_is_uni_alnum(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_alnumc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_idfirst(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_alpha(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_ascii(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_space(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_cntrl(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_graph(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_digit(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_upper(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_lower(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_print(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_punct(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_xdigit(pTHX_ U32 c);
-PERL_CALLCONV U32 Perl_to_uni_upper(pTHX_ U32 c, U8 *p, STRLEN *lenp);
-PERL_CALLCONV U32 Perl_to_uni_title(pTHX_ U32 c, U8 *p, STRLEN *lenp);
-PERL_CALLCONV U32 Perl_to_uni_lower(pTHX_ U32 c, U8 *p, STRLEN *lenp);
-PERL_CALLCONV bool Perl_is_uni_alnum_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_alnumc_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_idfirst_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_alpha_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_ascii_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_space_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_cntrl_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_graph_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_digit_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_upper_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_lower_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_print_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_punct_lc(pTHX_ U32 c);
-PERL_CALLCONV bool Perl_is_uni_xdigit_lc(pTHX_ U32 c);
+PERL_CALLCONV bool Perl_is_uni_alnum(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_alnumc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_idfirst(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_alpha(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_ascii(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_space(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_cntrl(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_graph(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_digit(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_upper(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_lower(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_print(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_punct(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_xdigit(pTHX_ UV c);
+PERL_CALLCONV UV Perl_to_uni_upper(pTHX_ UV c, U8 *p, STRLEN *lenp);
+PERL_CALLCONV UV Perl_to_uni_title(pTHX_ UV c, U8 *p, STRLEN *lenp);
+PERL_CALLCONV UV Perl_to_uni_lower(pTHX_ UV c, U8 *p, STRLEN *lenp);
+PERL_CALLCONV UV Perl_to_uni_fold(pTHX_ UV c, U8 *p, STRLEN *lenp);
+PERL_CALLCONV bool Perl_is_uni_alnum_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_alnumc_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_idfirst_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_alpha_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_ascii_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_space_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_cntrl_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_graph_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_digit_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_upper_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_lower_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_print_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_punct_lc(pTHX_ UV c);
+PERL_CALLCONV bool Perl_is_uni_xdigit_lc(pTHX_ UV c);
PERL_CALLCONV STRLEN Perl_is_utf8_char(pTHX_ U8 *p);
PERL_CALLCONV bool Perl_is_utf8_string(pTHX_ U8 *s, STRLEN len);
PERL_CALLCONV bool Perl_is_utf8_alnum(pTHX_ U8 *p);
PERL_CALLCONV I32 Perl_setenv_getix(pTHX_ char* nam);
#endif
PERL_CALLCONV void Perl_setdefout(pTHX_ GV* gv);
-PERL_CALLCONV char* Perl_sharepvn(pTHX_ const char* sv, I32 len, U32 hash);
PERL_CALLCONV HEK* Perl_share_hek(pTHX_ const char* sv, I32 len, U32 hash);
PERL_CALLCONV Signal_t Perl_sighandler(int sig);
PERL_CALLCONV SV** Perl_stack_grow(pTHX_ SV** sp, SV**p, int n);