Structs starting with `c' in kern

• chdir_args kern/vfs_syscalls.c:492
• chflags_args kern/vfs_syscalls.c:1269
• chmod_args kern/vfs_syscalls.c:1338
• chown_args kern/vfs_syscalls.c:1407
• chroot_args kern/vfs_syscalls.c:516
• close_args kern/kern_descrip.c:323
• connect_args kern/uipc_syscalls.c:241