This makes it easier to see if it corresponds to what's implemented
=provides
__UNDEFINED__
-PERL_UNUSED_DECL
+C_ARRAY_END
+C_ARRAY_LENGTH
+cBOOL
+END_EXTERN_C
+EXTERN_C
+HeUTF8
+INT2PTR
+MUTABLE_PTR
+MUTABLE_SV
+NUM2PTR
+NVTYPE
+OpHAS_SIBLING
+OpLASTSIB_set
+OpMAYBESIB_set
+OpMORESIB_set
+OpSIBLING
+PERL_GCC_BRACE_GROUPS_FORBIDDEN
+PERL_HASH
+PERLIO_FUNCS_CAST
+PERLIO_FUNCS_DECL
PERL_UNUSED_ARG
-PERL_UNUSED_VAR
PERL_UNUSED_CONTEXT
+PERL_UNUSED_DECL
PERL_UNUSED_RESULT
-PERL_GCC_BRACE_GROUPS_FORBIDDEN
+PERL_UNUSED_VAR
PERL_USE_GCC_BRACE_GROUPS
-PERLIO_FUNCS_DECL
-PERLIO_FUNCS_CAST
-NVTYPE
-INT2PTR
-PTRV
-NUM2PTR
-PERL_HASH
PTR2IV
-PTR2UV
PTR2NV
PTR2ul
+PTR2UV
+PTRV
START_EXTERN_C
-END_EXTERN_C
-EXTERN_C
-STMT_START
STMT_END
+STMT_START
+SvRX
+SvRXOK
UTF8_MAXBYTES
WIDEST_UTYPE
XSRETURN
-HeUTF8
-C_ARRAY_LENGTH
-C_ARRAY_END
-SvRX
-SvRXOK
-cBOOL
-OpHAS_SIBLING
-OpSIBLING
-OpMORESIB_set
-OpLASTSIB_set
-OpMAYBESIB_set
-MUTABLE_PTR
-MUTABLE_SV
=implementation