From: jj4public@gmail.com   
      
   On Sun, 28 Nov 2021 01:19:26 -0800 (PST), muta...@gmail.com wrote:   
   > When I run micro-emacs, it needs to switch to getting   
   > keystrokes from the user without the OS echoing the   
   > characters and without waiting for a complete line to   
   > be obtained.   
   >   
   > In Unix there is an ioctl call to switch to that mode. On   
   > Windows there is a SetConsoleMode function:   
   >   
   > https://docs.microsoft.com/en-us/windows/console/setconsolemode   
   >   
   > On MSDOS it appears that the application is instead   
   > meant to stop doing a read() call and basically do an   
   > INT 21H that is get_char_immediate_without_echo().   
   >   
   > I'm wondering if there is some underlying principle that   
   > says which of those 3 approaches is technically the best.   
      
   Best is relative. One's trash can be someone else's treasure, and vice   
   versa. So, include all of them.   
      
   > How do you compare APIs?   
   >   
   > Thanks. Paul.   
      
   Check everything. e.g. feature coverage; and advantages/disadvantages of   
   each feature implementation and usage - which includes performance, resource   
   usage efficiency, and extendability.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)