Type Alias TerminalWriteFn 

pub type TerminalWriteFn = extern "C" fn(*mut Terminal, *const u8, u64);

Type for terminal Write function In order for the terminal to remain functioning, the GDT must at least have the default values

Special length values do the following things

• TerminalSize - -1
  • This will write a single u64 to the pointer
• TerminalSave - -2
  • This will save the terminal context to the pointer, of allocation size TerminalSize
• TerminalRestore - -3
  • This will restore the terminal context from the pointer, of allocation size TerminalSize
• TerminalFullRefresh - -4
  • This will fully repaint the framebuffer, the pointer is unused