`nn::socket::SetSockOpt` Function

Syntax

s32 SetSockOpt(
     s32 s,
     s32 level,
     s32 optname,
     const void* optval,
     s32 optlen
);

	Name	Description
in	s	Specifies the socket descriptor. Specify a socket descriptor created using the `Socket` or `Accept` function.
in	level	Specifies the target protocol layer (`SocketLevel`).
in	optname	Specifies the target options (`SocketOptionType`).
out	optval	Specifies a pointer to the buffer with the option data.
inout	optlen	Specifies the optval buffer length for optname.

Value	Description
0	Process was successful.
`EBADF`	The socket descriptor is invalid.
`EINVAL`	Indicates an illegal call of one of the following. The length of the buffer specified by optlen is invalid. The buffer content specified by optval is invalid.
`ENETDOWN`	The network is not available.
`ENETRESET`	Socket library is not initialized.
`ENOMEM`	Cannot allocate the memory required for the process.
`ENOPROTOOPT`	Option not supported.

Changes a socket's internal settings and internal state.

CONFIDENTIAL