uname

#include <stdio.h>

#include <sys/utsname.h>

/*man 2 uname

 *获取本机 uname -a信息

 * int uname(struct utsname *buf);

 */

int main()

{

    struct utsname name;

    uname(&name);

    printf("%s\n",name.machine);

    printf("%s\n",name.nodename);

    printf("%s\n",name.version);

    printf("%s\n",name.sysname);

    return 0;

}

执行结果

[root@os 09dir]# ./a.out

i686

os.com

#1 SMP Fri Dec 13 11:45:23 UTC 2013

Linux

[root@os 09dir]#