sys/utsname.h — Operating system name
The sys/utsname.h header file declares the utsname structure
and the uname() function, which returns the name of the current operating system.
It requires the _POSIX_SOURCE feature test macro.
The sys/utsname.h header file declares the utsname structure
and the uname() function, which returns the name of the current operating system.
It requires the _POSIX_SOURCE feature test macro.