Finally something useful!

You are absolutely correct! And I very much deserve the useless drivel I have received for not knowing that it was two different issues in the first place... That I should have known!

Devel::Peek ... Output ... NOT!

# perl Makefile.PL
Checking if your kit is complete...
Looks good
Writing Makefile for Devel::Peek

# make
cp Peek.pm blib/lib/Devel/Peek.pm
/usr/bin/perl /usr/local/lib/perl5/5.8.8/ExtUtils/xsubpp  -typemap /us
+r/local/lib/perl5/5.8.8/ExtUtils/typemap  Peek.xs > Peek.xsc && mv Pe
+ek.xsc Peek.c
Please specify prototyping behavior for Peek.xs (see perlxs manual)
cc -c    -DAPPLLIB_EXP="/usr/local/lib/perl5/5.8.8/BSDPAN" -DHAS_FPSET
+MASK -DHAS_FLOATINGPOINT_H -fno-strict-aliasing -pipe -Wdeclaration-a
+fter-statement -I/usr/local/include -O2 -fno-strict-aliasing -pipe   
+ -DVERSION=\"0.96\"  -DXS_VERSION=\"0.96\" -DPIC -fPIC "-I/usr/local/
+lib/perl5/5.8.8/mach/CORE"   Peek.c
Peek.xs: In function 'my_sv_peek':
Peek.xs:162: error: 'sv_undef' undeclared (first use in this function)
Peek.xs:162: error: (Each undeclared identifier is reported only once
Peek.xs:162: error: for each function it appears in.)
Peek.xs:162: error: 'sv_no' undeclared (first use in this function)
Peek.xs:162: error: 'sv_yes' undeclared (first use in this function)
Peek.xs:292: error: 'na' undeclared (first use in this function)
Peek.xs: In function 'DumpOP':
Peek.xs:320: error: 'op_name' undeclared (first use in this function)
Peek.xs:327: error: 'op_desc' undeclared (first use in this function)
Peek.xs:333: error: 'GVOP' undeclared (first use in this function)
Peek.xs:333: error: expected expression before ')' token
Peek.xs:335: error: expected expression before ')' token
Peek.xs:336: error: 'na' undeclared (first use in this function)
Peek.xs:469: error: 'REGEXP' has no member named 'check_substr'
Peek.xs:472: error: 'REGEXP' has no member named 'check_substr'
Peek.xs:504: error: 'CONDOP' undeclared (first use in this function)
Peek.xs:504: error: expected expression before ')' token
Peek.xs:505: error: expected expression before ')' token
Peek.xs: In function 'DumpLevel':
Peek.xs:1000: error: 'na' undeclared (first use in this function)
Peek.xs: In function 'DeadCode':
Peek.xs:1119: error: 'sv_arenaroot' undeclared (first use in this func
+tion)
Peek.xs:1152: error: 'sv_undef' undeclared (first use in this function
+)
*** Error code 1

Stop in /usr/home/gary/cpan/Devel-Peek-0.96.
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fh : )_~