Fix warning: format ‘%p’ expects argument of type ‘void *’, but argument 5 has type ‘int *’
Fix warning: ISO C does not allow extra ‘;’ outside of a function
s/uint64/uint64_t/
Fix warning: format ‘%ld’ expects argument of type ‘long int’, but argument 4 has type ‘int64’
Merge pull request #203 from yallop/pedantic-warnings

Fix warnings that show up with the -pedantic flag