POSIX

POSIX-standard system-level APIs More...

Files
file	limits.h
	Limits.
file	utsname.h
	Definitions for the uname() function.

Data Structures
struct	utsname
	Kernel name/information structure. More...

Macros
#define	NAME_MAX   256
	Max filename length.
#define	MAX_FN_LEN   NAME_MAX
#define	PATH_MAX   4096
	Max path length.
#define	SYMLOOP_MAX   16
	Max number of symlinks resolved.
#define	_UTSNAME_LENGTH   64

Functions
int	uname (struct utsname *n)
	Retrieve version and other similar information about the kernel.

Detailed Description

POSIX-standard system-level APIs

Macro Definition Documentation

_UTSNAME_LENGTH

#define _UTSNAME_LENGTH   64

MAX_FN_LEN

#define MAX_FN_LEN   NAME_MAX

NAME_MAX

#define NAME_MAX   256

Max filename length.

PATH_MAX

#define PATH_MAX   4096

Max path length.

SYMLOOP_MAX

#define SYMLOOP_MAX   16

Max number of symlinks resolved.

Function Documentation

uname()

int uname

(

struct utsname *

n

)

Retrieve version and other similar information about the kernel.

This function retrieves information about the current version of the kernel that is running, storing it in the provided buffer.

Parameters

n	The buffer to store version information in.

Returns

0 on success, -1 on error (setting errno appropriately).