#include <sys/utsname.h>

struct utsname u;
uname(&u);

struct utsnamehttp://blog.chinaunix.net/uid-24517549-id-3977968.html

獲取當前核心名稱和其他資訊

#include <sys/utsname.h>
#include <stdio.h>
#include <stdlib.h>

int main()
{
    struct utsname testbuff;
    int fb = 0;

    fb = uname(&testbuff);
    
 
if (fb < 0)
    {
        perror("uname");
        return 0;
    }
    else
    {
        printf(" sysname:%s\n nodename:%s\n release:%s\n version:%s\n machine:%s\n \n ", \
            testbuff.sysname, \
            testbuff.nodename, \
            testbuff.release, \
            testbuff.version, \
            testbuff.machine);
 
#if _UTSNAME_DOMAIN_LENGTH - 0
# ifdef __USE_GNU
        printf(" domainame:%s\n ", testbuff.domainname);
        //char domainname[_UTSNAME_DOMAIN_LENGTH]; //當前域名
# else
        printf(" __domainame:%s\n ", testbuff.__domainname);
        //char __domainname[_UTSNAME_DOMAIN_LENGTH];
# endif
#endif

    }
    
 
return 0;
}