All symbols starting with `o' in kern

• O kern/tty.c:80
• OBSOL kern/syscalls.master:7
• obsolete kern/syscalls.master:12
• of kern/syscalls.master:8
• ONLYA kern/tty.c:1826
• ONLYB kern/tty.c:1827
• open kern/vfs_syscalls.c:729
• order kern/syscalls.master:7
• orphanpg kern/kern_proc.c:333
• other kern/syscalls.master:40