osx man page for uname

UNAME(3)						   BSD Library Functions Manual 						  UNAME(3)

NAME
     uname -- get system identification

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <sys/utsname.h>

     int
     uname(struct utsname *name);

DESCRIPTION
     The uname() function stores nul-terminated strings of information identifying the current system into the structure referenced by name.

     The utsname structure is defined in the <sys/utsname.h> header file, and contains the following members:

	   sysname	 Name of the operating system implementation.

	   nodename	 Network name of this machine.

	   release	 Release level of the operating system.

	   version	 Version level of the operating system.

	   machine	 Machine hardware platform.

RETURN VALUES
     The uname() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate
     the error.

ERRORS
     The uname() function may fail and set errno for any of the errors specified for the library functions sysctl(3).

SEE ALSO
     uname(1), sysctl(3)

STANDARDS
     The uname() function conforms to IEEE Std 1003.1-1988 (``POSIX.1'').

HISTORY
     The uname() function first appeared in 4.4BSD.

BSD
								  January 4, 1994							       BSD