Detach shared memory block.
Source position: ipc.pp line 428
| function shmdt( | 
| shmaddr: pointer | 
| ):cint; | 
shmdt detaches the shared memory at address shmaddr. This shared memory block is unavailable to the current process, until it is attached again by a call to shmat.
The function returns True if the memory block was detached successfully, False otherwise.
On error, False is returned, and IPCerror is set.
| 
 | Return the ID of a shared memory block, possibly creating it. | |
| 
 | Attach a shared memory block. | |
| 
 | Perform control operations on a shared memory block. |