Lowercasing in XSL

translate(field_to_change, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz').

c function errors

Errors like these:

previous implicit declaration of `function'

`function' was previously implicitly declared to return `int'

...point to a missing function declaration at the top of the file.