ftp.c is the only user of this function so making it static in that file allows it to be inlined. Also, reusing unichar_toupper means we no longer depend on the C stdlib for toupper, saving about 300 bytes of code space.
ftp.c is the only user of this function so making it static in that file allows it to be inlined. Also, reusing unichar_toupper means we no longer depend on the C stdlib for toupper, saving about 300 bytes of code space.