#include <stdlib.h>
#include <syslog.h>

/*
 * For unix systems:
 *      tail /var/log/messages
 *
 * For systems using systemd:
 *      journalctl -t my_daemon
 */

#define NAME "my_program"

int main(void) {
    /* LOG_PID ,LOG_CONS ,LOG_ODELAY ,LOG_NDELAY ,LOG_NOWAIT ,LOG_PERROR */
    openlog(NAME, LOG_PID | LOG_CONS, LOG_USER);

    /* LOG_EMERG, LOG_ALERT, LOG_CRIT, LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO, LOG_DEBUG */
    syslog(LOG_INFO, "Hello, log!");
    syslog(LOG_INFO, "Formatting works %s!", "as well");

    closelog();
    return EXIT_SUCCESS;
}