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 the communications network to which this node is attached, if any. 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 System Interfaces volume of IEEE Std 1003.1-2001, uname()
First released in Issue 1. Derived from Issue 1 of the SVID.
IEEE Std 1003.1-2001/Cor 2-2004, item XBD/TC2/D6/27 is applied, changing the description of nodename within the utsname structure from ``an implementation-defined communications network'' to ``the communications network to which this node is attached, if any''.