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How to Implement Option Recognition in C Programming for Linux?

2024-03-10 19:30:04
How to Implement Option Recognition in C Programming for Linux

I'm programming in C at a Linux environment, and I'd like my program to recognize options like '-' or '--' for execution. I wonder how do programmers typically implement this?

In my case, I made the main function receive argc, argv arguments. Is that correct?

// headers

int main(int argc, char* argv[])
{
    // my codes
}

Solution:

and I'd like my program to recognize options like '-' or '--' for execution. I wonder how do programmers typically implement this?

Programmers have two ways:

  • write the option parser themselves
  • use the ready-made library. The most popular is getopt (more listed here)
Answer

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