| clockid_t | Clock id type | 
| EPoll_Data | Epoll data call structure | 
| EPoll_Event | Structure used in epoll_ctl  call. | 
| inotify_event | INotify event structure | 
| PEPoll_Data | Pointer to EPoll_Data  record | 
| PEpoll_Event | Pointer to EPoll_Event  type | 
| Pinotify_event | Pointer to inotify_event  structure. | 
| pstatx |  | 
| pstatx_timestamp |  | 
| PSysInfo | Pointer to TSysInfo  record. | 
| Puser_cap_data | Pointer to user_cap_data  record | 
| Puser_cap_header | Pointer to user_cap_header  record | 
| PUser_Desc | Pointer to User_Desc record | 
| statx |  | 
| statx_timestamp |  | 
| TCloneFunc | Clone function prototype. | 
| TEPoll_Data | Alias for EPoll_Data  type | 
| TEPoll_Event | Alias for EPoll_Event  type | 
| TSysInfo | Record with system information, used by the SysInfo  call. | 
| TUser_Desc | Alias for user_desc record | 
| user_cap_data | Capability description record | 
| user_cap_header | Root user capabilities header | 
| user_desc | TLS segment descriptor | 
| __s16 |  | 
| __s32 |  | 
| __s64 |  | 
| __u16 |  | 
| __u32 |  | 
| __u64 |  |