git add -u flag

#include <stdio.h>

int main() {
    // Assume there are changes in the working directory

    // Step 1: Modify existing files or add new files in the working directory

    // Step 2: Use the "git add -u" command to stage all changes to tracked files
    system("git add -u");

    // Step 3: Continue with the next Git commands as needed (e.g., git commit, git push)

    return 0;
}