Return system information in the structure. For example,
uname () { sysname = x86_64 nodename = segfault release = 2.6.15-1-amd64-k8-smp version = Linux machine = #2 SMP Thu Feb 23 04:57:49 UTC 2006 }If successful, err is 0 and msg is an empty string. Otherwise, err is nonzero and msg contains a system-dependent error message.