man closesocket

Int setsockopt (Socket s,Int level,Int optname,Const char * optval,Int optlen); S (socket): point to an open set of interface descriptive wordsLevel: (level): Specifies the option code type.Sol_socket: basic set of interfacesIpproto_ip: IPv4

Int setsockopt (Socket s,Int level,Int optname,Const char * optval,Int optlen); S (socket): point to an open set of interface descriptive wordsLevel: (level): Specifies the option code type.Sol_socket: basic set of interfacesIpproto_ip: IPv4

Setsockopt () usage (parameter description) recv, send timeout processing, setsockoptrecv Source: recv send blocking and non-blocking Int setsockopt (SOCKET s,Int level,Int optname,Const char * optval,Int optlen); S (socket): point to an open set

Int setsockopt (Socket s,Int level,Int optname,Const char * optval,Int optlen); S (socket): point to an open set Interface DescriptionLevel: (level): Specifies the option code type.Sol_socket: basic set of interfacesIpproto_ip: IPv4 InterfaceIpproto_

Int setsockopt (Socket s,Int level,Int optname,Const char * optval,Int optlen); S (socket): point to an open set Interface DescriptionLevel: (level): Specifies the option code type.Sol_socket: basic set of interfacesIpproto_ip: IPv4 InterfaceIpproto_

# Include # Include Int setsockopt (int s, int level, int optname, const void * optval,Socklen_t optlen );S: socket, pointing to an open interface descriptionLevel: specifies the type of the Option Code. The specific types are as follows:SOL_SOCKET:

Transferred from: http://blog.csdn.net/zhonglinzhang/article/details/9183229Function Description:Gets or sets the options associated with a socket. Options may exist in multi-tier protocols , and they will always appear on the topmost socket layer.

In the programming of the SOCKET server application of asp.cn/class = wordstyle> WINDOWS, the following statements may be compared to the following:   S = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP ); Saddr. sin_family = AF_INET; Saddr.

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From: http://lydnkj.bokee.com/viewdiary.10417372.html Getsockopt and setsockopt Obtain the set Interface Options: Code: Int getsockopt (INT sockfd, int level, int optname, void * optval, socklen_t * opteln) sets the set of Interface Options:Int