How Do I Search For A Word In A Text File In C++?

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C++

I want to display a line containing the word that i am looking for. I have been able to search for the word in my text file but my goal is that if the word is found in the text file then it should display the entire line containing the word. I am really confused about how to do that? Please can anyone suggest me some ideas.

           #include <iostream>
           #include <string>
           #include <fstream>
           using namespace std;
int main()
{
               
             ifstream input;
		size_t pos;
              string line;

		input.open("t.txt");
		if(input.is_open())
		{
			while(getline(input,line))
			{
			 pos = line.find("hey");
			  if(pos!=string::npos) // string::npos is returned if string is not found
        {
            cout <<"Found!";
            break;
        }
			}
		}

system("pause");
}