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====== Int 21H, AH=0BH ======

===== Version =====

1 and higher

===== Brief =====

GET STDIN STATUS

===== Family API =====

[[en:docs:fapi:DosRead]]

===== Input =====

  AH = 0Bh

===== Return =====

 AL = status 00h if no character available FFh if character is available

===== Notes =====

 ^C/^Break are checked, and INT 23 is called if either pressed

 standard input is always the keyboard under DOS 1.x, but may be redirected under DOS 2+

 if the interim console flag is set (see AX=6301h), this function returns AL=FFh if a partially-formed double-byte character is available

===== See also =====

AH=[[en:docs:dos:api:int21:06|06h]]"INPUT",AX=[[en:docs:dos:api:int21:44:06|4406h]]

===== Note =====

Text based on [[http://www.cs.cmu.edu/~ralf/files.html|Ralf Brown Interrupt List Release 61]]

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