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

int main(int argc, char* argv[]) {
    // does not exist before
    FILE* write_file = fopen("create_new_file.txt", "w");
    if (write_file != NULL) {
        fprintf(stdout, "fopen did not returned NULL for write");
        fputc('A', write_file);

        fclose(write_file);
    } else {
        fprintf(stderr, "fopen returned NULL for write");
    }

    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */

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