学习笔记
Int socket(int family, int type, int protocol);
4.3 connect函数
#include <sys/socket.h>
Int connect (int sockfd, const struct sockaddr * servaddr, socklen_t addrlen);
4.4 bind 函数
#include<sys/socket.h>
Int bind(int sockfd, const struct sockaddr * myaddr, socklen_t addrlen);
4.5 listen 函数
#include <sys/socket.h>
Int listen(int sockfd,int backlog);
4.6 accept 函数
#include <sys/socket.h>
Int accept (int sockfd, struct sockaddr *cliaddr, socklen_t * addrlen);
4.7 fork和exec函数
#include <unistd.h>
Pid_t fork (void);
#include <unistd.h>
Int execl (const char * pathname, const char * arg0,……/*（char *）0*/;
Int execv (const char * pathname, char * const argv []);
Int execle (const char * pathname,const char * arg0 , ……/*(char *)0,char * const envp []*/ ); Int execlp(const char * filename, const char * arg0, ……/*(char *)0*/)；
Int execvp (const char * filename, char * const argv []);
4.9 close函数
#include <unistd.h>
Int close (int sockfd);
4.10 getsockname和getpeername函数
#include <sys/socket.h>
Int getsockname (int sockfd, struct sockaddr * localaddr, socklen_t * addrlen);
Int getpeername (int sockfd, struct sockaddr * peeraddr, socklen_t * addrlen);