C ++创建/解析文本文件到函数中

I'm trying to take input from a text file to call a function. The function takes 3 int paramaters. Each line in the text file will include each int followed by a space. How do I parse each line, call a function using integers from each line, and then exit the loop and close the file? Any help would be greatly appreciated. I'm trying to take input from a text file to ca