Question

#include <stdio.h>
#include <windows.h>

typedef unsigned _int16 uint16;
typedef unsigned _int8 uint8;
typedef unsigned _int32 uint32;
uint32 measurements[32];

void Transmit(uint16 port, int* pBytes, uint16 numBytes);

int main()
{
uint16 port;
uint16 numBytes;
int* pBytes;
port =18000;

pBytes = &measurements;

numBytes = strlen(pBytes);

Transmit(port, &pBytes, numBytes);
return 0;

}


void Transmit(uint16 port, int* pBytes, uint16 numBytes) // this function must transmit the specified byte on IP connection identified by port
{
        WSADATA wsa;
        SOCKET s, new_socket;
        int bytes_recieved;
        int sin_size;
        struct sockaddr_in server, client;  // creating a socket address structure: structure contains ip address and port number
         uint16 numTxBytes;
         uint8* pChunkData;
         uint16 chunkLen;
         numTxBytes = 1;



        printf("Initializing Winsock\n");
        if(WSAStartup(MAKEWORD(2,2), &wsa)!=0)
        {
            printf("Failed Error Code", WSAGetLastError());
            return 1;
        }
        printf("Initialised\n");


        //CREATING a SOCKET

        if ((s = socket(AF_INET, SOCK_STREAM, 0)) == -1)
        {
            printf("Could not Create Socket\n");
            return 0;
        }
        printf("Socket Created\n");

        server.sin_addr.s_addr = inet_addr("127.0.0.1");
        server.sin_family = AF_INET;     
        server.sin_port = htons(port); 

        //Binding between the socket and ip address

        if(bind (s, (struct sockaddr *) &server, sizeof(server)) == SOCKET_ERROR)
        {
            printf("Bind failed with error code: %d", WSAGetLastError());
        }
        puts("Bind Done");


        //Listen to incoming connections from the client
        listen(s, 3);


        //Accepting the incoming connection
        while(1)
        {  

            sin_size = sizeof(struct sockaddr_in);

            new_socket = accept(s, (struct sockaddr *)&client, &sin_size);

            printf("\n I got a connection from (%s , %d)",
                   inet_ntoa(client.sin_addr),ntohs(client.sin_port));

            while (1)
            { 

              if (strcmp(pBytes , "q") == 0 || strcmp(pBytes , "Q") == 0)
              {
                send(new_socket, pBytes ,numBytes, 0); 

                closesocket(new_socket);
                break;

        }
              else
                 send(new_socket, pBytes, numBytes , 0);  

              pChunkData = &measurements;
              chunkLen = sizeof(pChunkData);
              bytes_recieved = recv(new_socket, pChunkData, chunkLen ,0 );

              pChunkData[bytes_recieved] = '\0';

              if (strcmp(pChunkData , "q") == 0 || strcmp(pChunkData , "Q") == 0)
              {
                close(new_socket);
                break;
              }

              else 
              printf("\n RECIEVED DATA = %s " , pChunkData);
              fflush(stdout);
            }
        }       

      closesocket(s);
      WSACleanup();
      return 0;
}

错误16 错误LNK2019：函数_Transmit中引用了未解析的外部符号_WSACleanup @ 0

错误17 错误LNK2019：函数_Transmit中引用的未解析的外部符号_XcpIp_RxCallback

错误18 错误LNK2019：函数_Transmit中引用的未解析的外部符号_recv @ 16

错误19 错误LNK2019：函数_Transmit中引用的未解析的外部符号_closesocket @ 4

错误20 错误LNK2019：函数_Transmit中引用的未解析的外部符号_XcpIp_TxCallback

错误21 错误LNK2019：函数_Transmit

中引用了未解析的外部符号_send @ 16

错误22 错误LNK2019：函数_Transmit中引用的未解析的外部符号_inet_ntoa @ 4

错误23 错误LNK2019：函数_Transmit中引用的未解析的外部符号_ntohs @ 4

错误24 错误LNK2019：未解析的外部符号_accept @ 12在函数中引用_Transmit

错误25 错误LNK2019：函数_Transmit中引用的未解析的外部符号_listen @ 8

错误26 错误LNK2019：函数_Transmit中引用的未解析的外部符号_bind @ 12

错误27 错误LNK2019：函数_Transmit中引用的未解析的外部符号_htons @ 4

错误28 错误LNK2019：函数_Transmit中引用了未解析的外部符号_inet_addr @ 4

错误29 错误LNK2019：函数_Transmit中引用的未解析的外部符号_socket @ 12

错误30 错误LNK2019：函数_Transmit中引用了未解析的外部符号_WSAGetLastError @ 0

错误31 错误LNK2019：函数_Transmit中引用的未解析的外部符号_WSAStartup @ 8

错误32 致命错误LNK1120：16个未解析的外部

我在服务器端创建了一个套接字，并通过特定端口从内存中发送数据，并且同一程序也会接受端口中的数据。编译完上面的程序后，得到一些错误。有人可以帮我修理它。

C中的套接字程序有很多错误

0 个答案: