Structs starting with 'o' in kern

• ocreat_args kern/vfs_syscalls.c:682
• ogetpeername_args kern/uipc_syscalls.c:1166
• ogetsockname_args kern/uipc_syscalls.c:1077
• okillpg_args kern/kern_sig.c:457
• open_args kern/vfs_syscalls.c:603
• orecv_args kern/uipc_syscalls.c:664
• orecvfrom_args kern/uipc_syscalls.c:608
• orecvmsg_args kern/uipc_syscalls.c:696
• osend_args kern/uipc_syscalls.c:400
• osendmsg_args kern/uipc_syscalls.c:428
• osetregid_args kern/kern_prot.c:390
• osetreuid_args kern/kern_prot.c:344
• osigblock_args kern/kern_sig.c:326
• osigsetmask_args kern/kern_sig.c:343
• osigvec_args kern/kern_sig.c:279
• owait_args kern/kern_exit.c:263