Contents

• XS
• Popular modules built with XS
• Perl and C realms
• XML::Parser
• XML::LibXML
• Contrasting implementations
• Starting with Inline::C
• Passing in an argument
• Returning a value
• Type error
• Returning a string
• Generating XS Skeleton
• Borks.pm
• t/Text-Borks.t
• Borks.xs
• Running tests
• So ...
• Encoding::FixLatin
• The problem
• Understanding UTF-8
• Input byte stream
• Algorithm
• Challenges
• XS.xs
• Reference docs
• The End