dont give any data from a connection in C - c

Question

For connecting to a web server I use below code in C:
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<sys/socket.h>
#include<sys/types.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#define PORT 4455
void main()
{
int clientSocket;
struct sockaddr_in serverAddr;
char buffer[1024];
clientSocket=socket(PF_INET,SOCK_STREAM,0) ;
printf("[+]client socket created successfully.\n");
memset(&serverAddr,'\0',sizeof(serverAddr));
serverAddr.sin_family=AF_INET;
serverAddr.sin_port=htons(PORT);
serverAddr.sin_addr.s_addr=inet_addr("https://www.google.com/");
connect(clientSocket,(struct sockaddr*)&serverAddr,sizeof(serverAddr));
printf("[+]connected to the server\n");
recv(clientSocket,buffer,1024,0);
printf("[+]data received is %s\n",buffer);
printf("[+]closing the connection\n");
}
But when I compile and run the code, it doss not receive any data, or the received data is not valid.
For example, received data from Google is :
��5��
How can I fix it?

Answer 1

You're not checking the return values from your networking function calls, so you have no idea whether they succeeded or failed. It's possible that all your calls failed, and your code is just printing the random data in the uninitialized array buffer.
In addtion, you're doing a lookup for https://google.com, which is a URI, not an address. Most likely inet_addr() is not the right function to resolve a name to an IP address, even if you had an IP address, which you don't. You probably need to start with gethostbyname().
Most importantly, even if you do manage to make a network connection to Google's HTTPS service, you'll be dealing with encrypted data, so you won't be able to process it unless you set up a encrypted TLS session. That's a long way from being straightforward, and most people use libraries like OpenSSL for this kind of thing.
I suspect that some of the problems I've noticed could have been spotted by your C compiler, if you turned its warning level up.
If you want to practice socket programming, I'd recommend that you start with a server that accepts simple, plaintext communication. If you want to practice socket programming with encryption, I'd recommend that you investigate OpenSSL or some similar library, or settle in for a lot of hard work. If you just want to make HTTP requests from your application, whether encrypted or not, I'd suggest looking at library like libcurl, which makes this kind of thing very easy.
There are loads and loads of C socket programming examples, on SO and many other places, if you need inspiration.