设计C函数：查看：服务器和客户端连接成功后查看客户端存储在SQlite智能家居状态表中温度和湿度到的数据。信息处理：根据SQlite智能家居状态表中的温度和湿度数据分析出合理建议。带注释

#include <stdio.h>
#include <sqlite3.h>

// 回调函数，用于获取查询结果
static int callback(void *data, int argc, char **argv, char **azColName) {
    for (int i = 0; i < argc; i++) {
        printf("%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
    }
    return 0;
}

// 查看客户端存储在SQlite智能家居状态表中温度和湿度数据
void viewData() {
    sqlite3 *db;
    char *zErrMsg = 0;
    int rc;

    // 打开数据库连接
    rc = sqlite3_open("smart_home.db", &db);
    if (rc) {
        fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
        return;
    }

    char *sql = "SELECT temperature, humidity FROM smart_home_table;";
    
    // 执行查询语句
    rc = sqlite3_exec(db, sql, callback, 0, &zErrMsg);
    if (rc != SQLITE_OK) {
        fprintf(stderr, "SQL error: %s\n", zErrMsg);
        sqlite3_free(zErrMsg);
    }
    
    // 关闭数据库连接
    sqlite3_close(db);
}

// 根据温度和湿度数据分析出合理建议
void analyzeData(int temperature, int humidity) {
    if (temperature < 20) {
        printf("It's too cold. Turn up the heating.\n");
    } else if (temperature > 30) {
        printf("It's too hot. Turn on the air conditioning.\n");
    } else {
        printf("The temperature is within the comfortable range.\n");
    }

    if (humidity < 40) {
        printf("The air is too dry. Use a humidifier.\n");
    } else if (humidity > 60) {
        printf("The air is too humid. Use a dehumidifier.\n");
    } else {
        printf("The humidity is within the comfortable range.\n");
    }
}

int main() {
    // 连接服务器和客户端
    
    // 获取温度和湿度数据
    int temperature = 25;
    int humidity = 50;
    
    // 查看数据
    viewData();
    
    // 分析数据并给出建议
    analyzeData(temperature, humidity);
    
    return 0;
}
``