-/* Mmap */
-PERL_EXPORT_C IV PerlIOMmap_close(pTHX_ PerlIO *f);
-PERL_EXPORT_C PerlIO * PerlIOMmap_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param, int flags);
-PERL_EXPORT_C IV PerlIOMmap_fill(pTHX_ PerlIO *f);
-PERL_EXPORT_C IV PerlIOMmap_flush(pTHX_ PerlIO *f);
-PERL_EXPORT_C STDCHAR * PerlIOMmap_get_base(pTHX_ PerlIO *f);
-PERL_EXPORT_C IV PerlIOMmap_map(pTHX_ PerlIO *f);
-PERL_EXPORT_C IV PerlIOMmap_unmap(pTHX_ PerlIO *f);
-PERL_EXPORT_C SSize_t PerlIOMmap_unread(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
-PERL_EXPORT_C SSize_t PerlIOMmap_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
-