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13.15.2 Communications Definitions

NONBLOCKING_INPUT

put the file from which the process reads in non blocking mode

See Nonblocking I/O.

NONBLOCKING_OUTPUT

put the file to which the process writes in non blocking mode

See Nonblocking I/O.

REUSE_ADDRESS

set the SOL_SOCKET SO_REUSEADDR socket flag

TCP_NODELAY

set the IPPROTO_TCP TCP_NODELAY socket flag