Category: <b>DOS kernel</b>
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<pre><b>INT 21 - DOS 4.0+ - COUNTRY-DEPENDENT CHARACTER CAPITALIZATION</b>

	AH = 65h
	AL = function
	    20h capitalize character
		DL = character to capitalize
		Return: DL = capitalized character
	    21h capitalize string
		DS:DX -&gt; string to capitalize
		CX = length of string
	    22h capitalize ASCIZ string
		DS:DX -&gt; ASCIZ string to capitalize
Return: CF set on error
	    AX = error code (see <a href=../../it/80/16.html>#01680</a> at AH=59h/BX=0000h)
	CF clear if successful
Note:	these calls have been documented for DOS 5+, but were undocumented in
	  DOS 4.x.
BUG:	Novell DOS 7 Update 15 crashes on AX=6521h when CX=0000h
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