U
- unbufcall
Kernel Utility Interfaces
- unfreezestrKernel Utility Interfaces
- unique connection (STREAMS)
- unlinkbKernel Utility Interfaces
- unlockptunlockpt
- with pseudo-tty driverPseudo-TTY Drivers: ptm and pts
- with pseudo-tty driver
- upstreamupstream
- user process write
- 0 byte pipeZero-Length Writes
- 0 byte pipe
- user's options structure
- exampleM_COPYOUT Example
- example