uname - Gets the name of the current system
struct utsname *name);
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name Points to a utsname structure.
The uname() function stores information identifying the current system in
the structure pointed to by the name parameter.
The uname() function uses the utsname structure, which is defined in the
sys/utsname.h file and contains the following members:
The uname() function returns a null-terminated character string naming the
current system in the sysname character array. The nodename array contains
the name that the system is known by on a communications network. The
release and version arrays further identify the system. The machine array
identifies the CPU hardware being used.
Upon successful completion, a nonnegative value is returned. Otherwise, -1
is returned and errno is set to indicate the error.
If the uname() function fails, errno may be set to the following value:
[EFAULT] [Tru64 UNIX] The name parameter points outside of the process