a.h

在linux环境下

#ifndef A_H_
#define A_H_

#define LINUX
//#define TCP

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>

#ifdef LINUX
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <netinet/in.h>
#include <sys/time.h>
#else
#include <Winsock2.h>
#endif

#define MAXBUFLEN 100
#define SEVERPORT 1234
#define BACKLOG 5

extern int creat_socket(int domain, int type, int protocol);
#ifndef LINUX
extern int init_socket(BYTE blow, BYTE high);
extern int get_rtt(DWORD * buf);
extern int get_time(int *numbytes, DWORD * buf);
#else
extern int get_rtt(long int * buf);
extern int get_time(int * numbytes, long int * buf);
#endif
extern int bind_socket(int sockfd, struct sockaddr_in * addr, size_t addr_len);
extern int listen_connect(int sockfd);
extern int accept_connect(int sockfd, struct sockaddr_in * client_addr, size_t *addr_len);
extern int connect_sever(int sockfd, struct sockaddr_in * addr, size_t addr_len);
extern int close_socket(int sockfd);

#endif