UNAME

Section: Linux Programmer's Manual (2)
Updated: 1993-07-24
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NAME

uname - get name and information about current kernel

SYNOPSIS

#include <sys/utsname.h>

int uname(struct utsname *buf);

DESCRIPTION

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
};

RETURN VALUE

On success, zero is returned. On error, -1 is returned, and errno is set appropriately.

ERRORS

EFAULT: buf is not valid.

CONFORMING TO

SVr4, SVID, POSIX, X/OPEN

The domainname member is a GNU extension.

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