Category: DOS kernel Flags: callout or callback (usually hooked rather than called), Undocumented function
INT 2F - MS Windows WINOLDAP - SWITCHING ???
AX = 4601h
Return: ???
Note: the DOS 5+ kernel intercepts this function and copies the MCB
following the caller's PSP memory block into the DOS data segment;
in conjunction with AX=4602h, this intercept is used by DOS to
avoid corruption of the Windows real-mode heap's end sentinel
SeeAlso: AX=1700h,AX=4602h
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