C:\Perl\bin\perl.exe C:\Perl\lib\ExtUtils/xsubpp  
   -typemap C:\Perl\lib\ExtUtils\typemap  
   Fmode.xs > Fmode.xsc && C:\Perl\bin\perl.exe 
   -MExtUtils::Command -e mv Fmode.xsc Fmode.c

Error: Cannot parse function definition from 
'fmode( FILE *stream ) {' in Fmode.xs, line 12