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sys/utsname.h - system name structure
The <sys/utsname.h> header shall define the structure utsname which
shall include at least the following members:
char sysname Name of this implementation of the operating system.
char nodename Name of this node within an implementation-defined
char release Current release level of this implementation.
char version Current version level of this release.
char machine Name of the hardware type on which the system is running.
The character arrays are of unspecified size, but the data stored in
them shall be terminated by a null byte.
The following shall be declared as a function and may also be defined
as a macro:
int uname(struct utsname *);
The following sections are informative.
The System Interfaces volume of IEEE Std 1003.1-2001, uname()
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online
at http://www.opengroup.org/unix/online.html .