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Required Configuration
Available only if either NET_CFG_TRANSPORT_LAYER_SEL is configured for TCP (see section D-12-1) and/or NET_UDP_CFG_APP_API_SEL is configured for sockets (see section D-13-1) and if if NET_SOCK_CFG_SEL_EN is is enabled (see section D-15-4section Socket Layer Configuration).
Notes / Warnings
NetSock_Sel()/select() checks or waits for available operations or error conditions on any of the socket file descriptor members of a socket file descriptor set.
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