Structs starting with `c' in kern

• chdir_args kern/vfs_syscalls.c:488
• chflags_args kern/vfs_syscalls.c:1280
• chmod_args kern/vfs_syscalls.c:1351
• chown_args kern/vfs_syscalls.c:1422
• chroot_args kern/vfs_syscalls.c:512
• close_args kern/kern_descrip.c:318
• connect_args kern/uipc_syscalls.c:241