#include stdioh#include stdlibh#include stringh#include unistdh#include syssocketh#include arpaineth#include sqlite3h#include pthreadhint main 创建套接字 int sockfd = socketAF_INET SOCK_STREAM 0;

The error message indicates that the ServerContext type is unknown and the handleClientConnection function is undeclared.

To fix these errors, you need to include the server.h header file that contains the definition of the ServerContext structure and the declaration of the handleClientConnection function.

Add the following line at the top of the main.c file:

#include "server.h"

This will include the server.h header file and make the ServerContext type and handleClientConnection function available in the main function.