#include <stdio.h>
#include <unistd.h>

int main(void) {
    fwrite("Newline flushes this\n this was stuck in buffer until flushed; ", 1, 62, stdout);
    syscall(1, STDOUT_FILENO, "Syscall prints immediately; ", 28);
    fflush(stdout); // flushes the original fwrite
    write(STDOUT_FILENO, "libc prints immediately; ", 26);
    fwrite("This buffered until new line", 1, 28, stdout);
    sleep(2);
    fwrite("\n", 1, 1, stdout);
    return 0;
}