PERL_CALLCONV bool Perl_do_open9(pTHX_ GV *gv, char *name, I32 len, int as_raw, int rawmode, int rawperm, PerlIO *supplied_fp, SV *svs, I32 num);
PERL_CALLCONV bool Perl_do_openn(pTHX_ GV *gv, char *name, I32 len, int as_raw, int rawmode, int rawperm, PerlIO *supplied_fp, SV **svp, I32 num);
PERL_CALLCONV void Perl_do_pipe(pTHX_ SV* sv, GV* rgv, GV* wgv);
PERL_CALLCONV bool Perl_do_open9(pTHX_ GV *gv, char *name, I32 len, int as_raw, int rawmode, int rawperm, PerlIO *supplied_fp, SV *svs, I32 num);
PERL_CALLCONV bool Perl_do_openn(pTHX_ GV *gv, char *name, I32 len, int as_raw, int rawmode, int rawperm, PerlIO *supplied_fp, SV **svp, I32 num);
PERL_CALLCONV void Perl_do_pipe(pTHX_ SV* sv, GV* rgv, GV* wgv);