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

// STREAMS

int main(int argc, char* argv[]) {
    // STDOUT is a stream that is always open.  Whatever you write to it is normally
    // displayed on the terminal (console).
    fputc('S', stdout);
    fputc('\n', stdout);
    fprintf(stdout, "Today is %s %d/%d/%d\n", "Thu", 11, 10, 2022);

    // A FILE is a stream that needs to be opened and closed.
    FILE* fp = fopen("3.streams.txt", "w");
    fputc('S', fp);
    fputc('\n', fp);
    fprintf(fp, "Today is %s %d/%d/%d\n", "Thu", 11, 10, 2022);
    fclose(fp);
    
    return EXIT_SUCCESS;
}
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