kIOMainPortDefault

Static kIOMainPortDefault 

Source
pub unsafe static kIOMainPortDefault: mach_port_t
Available on crate feature libc only.
Expand description

The default mach port used to initiate communication with IOKit.

When specifying a main port to IOKit functions, the NULL argument indicates “use the default”. This is a synonym for NULL, if you’d rather use a named constant.

See also Apple’s documentation