apple: Add TIOC* constants
apple: Add TIOC* constants

From sys/ioctl.h

superriva/libc,superriva/libc,rust-lang-nursery/libc,cactorium/libc,zethra/libc,mneumann/libc,cactorium/libc,rust-lang-nursery/libc,anatol/libc,philippkeller/libc,mneumann/libc,rust-lang/libc,rust-lang-nursery/libc,philippkeller/libc,mneumann/libc,rust-lang/libc,rust-lang/libc,zethra/libc,philippkeller/libc,superriva/libc,anatol/libc,cactorium/libc,zethra/libc,anatol/libc