#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

// Create an empty file

int main(int argc, char* argv[]) {

    FILE* file = fopen("a.txt", "w");
    // Open a file 'a.txt' for writing.  "w" is the mode.  It can be:
    // "r" to read
    // "w" to write (truncate if file already existed)
    // "a" to append (start writing at end of file, if it existed).
    
    fclose(file);
    // Close the file.  You must close every file that you open.
    //
    // If you do not, you may:
    //  - Leak memory
    //  - Not have all data written to the file.
    
    return EXIT_SUCCESS;
}
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