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

int main(int argc, char* argv[]) {
    char const* filename = __FILE__ ".txt";  // OPTIONAL
                                             // Concatenate filename of this C file
                                             // with ".txt".  Remember that __FILE__
                                             // is expanded by the preprocessor to a
                                             // string literal (e.g., "o.c").  Putting
                                             // two string literals next to each other
                                             // concatenates them.   (That does not work
                                             // with variables---only constants like "…").
    log_str(filename);

    logf_yellow("OPEN a file\n");
    FILE* fp = fopen(filename, "w");

    logf_yellow("WRITE to file using fputs(…).\n");
    fputs("ABC", fp);
    // fputc('A', fp);
    // fputc('B', fp);
    // fputc('C', fp);

    logf_yellow("CLOSE file\n");
    fclose(fp);
    // Always close any file that you opened.  If you forget, Valgrind may report errors.
    
    return EXIT_SUCCESS;
}
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