1sed -i 's/::std::os::raw::/libc::/g' $1 2perl -i -p0e 's/extern "C" \{\n pub fn/#[no_mangle]\npub extern "C" fn/g' $1 3perl -i -p0e 's/;\n\}/ {\n unimplemented!();\n\}\n/g' $1 4 5