#include <stdio.h>
#include <string.h>
#include <sys/utsname.h>
#include "os.h"

int os(void) {
#ifdef __linux__
    struct utsname u;

    if (uname(&u) == 0) {
	size_t length = printf("OS: %s %s %s %s\n", u.sysname, u.release, u.version, u.machine);
	printf("line length: %ld\n", length);
    } else {
	perror("Error while accessing uname");
	return 1;
    }
#endif
    return 0;
}