struct utsname
{ char sysname[_UTSNAME_SYSNAME_LENGTH];//當前操作系統名
char nodename[_UTSNAME_NODENAME_LENGTH];//網絡上的名稱
char release[_UTSNAME_RELEASE_LENGTH];//當前發布級別
char version[_UTSNAME_VERSION_LENGTH];//當前發布版本
char machine[_UTSNAME_MACHINE_LENGTH];//當前硬件體系類型
#if _UTSNAME_DOMAIN_LENGTH - 0
/* Name of the domain of this node on the network. */
# ifdef __USE_GNU
char domainname[_UTSNAME_DOMAIN_LENGTH]; //當前域名
# else
char __domainname[_UTSNAME_DOMAIN_LENGTH];
# endif
#endif
};

#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;
}