Function 0Bh Check Standard Input (STDIN) status
Checks for character availible at STDIN
entry AH 0Bh
return AL 0FFh if a character is availible from STDIN
00h if no character is availible from STDIN
note 1) Checks for Ctrl-C. If Ctrl-C is detected, int 23h is executed
2) Input can be redirected.
3) Checks for character only, it is not read into the application
4) IBM reports that this call does not work properly under the DOSSHELL
program in DOS 4.00 and 4.01. DOSSHELL will return all zeroes. This
function works correctly from the command line or application.
file: /Techref/INT/21f/0b.htm, 0KB, , updated: 1999/2/20 10:26, local time: 2024/12/23 21:55,
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