Structs starting with 'c' in kern

• chflags_args kern/vfs_syscalls.c:1203
• chmod_args kern/vfs_syscalls.c:1279
• chown_args kern/vfs_syscalls.c:1355
• chroot_args kern/vfs_syscalls.c:545
• close_args kern/kern_descrip.c:316
• connect_args kern/uipc_syscalls.c:257