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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 11:26, local time: 2024/7/17 12:15,

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