The setsockopt function sets a socket option. Syntax int setsockopt( [in] SOCKET s, [in] int level, [in] int optname, [in] const char *optval, [in] int optlen ); Parameters [in] s A descriptor that identifies a socket. [in] level The level at which the option is defined (for example, SOL_SOCKET). [in] optname The socket option for which the value is to be set (for example, SO_BROADCAST). The optna