bsd man page for uname

UNAME(3)						     Library Functions Manual							  UNAME(3)

NAME
       uname - get system identification

SYNOPSIS
       #include <sys/utsname.h>

       int
       uname(name)
       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
       If uname is successful, 0 is returned, otherwise, -1 is returned and errno is set appropriately.

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 Std1003.1-88 (``POSIX'').

HISTORY
       The uname function first appeared in 4.4BSD.

4th Berkeley Distribution					 February 4, 1995							  UNAME(3)