uname - get name and information about current kernel
#include <sys/utsname.h>
int uname(struct utsname *buf);
uname returns system information in the structure pointed to by buf.
The utsname struct is as defined in <sys/utsname.h>:
struct utsname {
char sysname[SYS_NMLN];
char nodename[SYS_NMLN];
char release[SYS_NMLN];
char version[SYS_NMLN];
char machine[SYS_NMLN];
#ifdef _GNU_SOURCE
char domainname[SYS_NMLN];
#endif
};
On success, zero is returned. On error, -1 is returned, and errno is
set appropriately.
EFAULT buf is not valid.
SVr4, SVID, POSIX, X/OPEN
The domainname member is a GNU extension.
uname(1), getdomainname(2), gethostname(2)
Linux 0.99.11 1993-07-24 UNAME(2)
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