#include <sys/ipc.h>
Kernel (KEXT) › BSD (kernel)

sys/ipc.h Kernel.framework

includes: sys/appleapiopts.h, sys/cdefs.h, sys/_types.h, Kernel/sys/_types/_uid_t.h, Kernel/sys/_types/_gid_t.h, Kernel/sys/_types/_mode_t.h, Kernel/sys/_types/_key_t.h
1 struct

struct__ipc_perm_old

Legacy structure; this structure is maintained for binary backward compatability with previous versions of the interface. New code should not use this interface, since ID values may be truncated.
size 16, align 4
__uint16_tcuidCreator's user ID
__uint16_tcgidCreator's group ID
__uint16_tuidOwner's user ID
__uint16_tgidOwner's group ID
mode_tmodeRead/Write permission
__uint16_tseqReserved for internal use
key_tkeyReserved for internal use