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AH = 12h BH = 13h BL = mailbox from which to read 00h DWORD on top of stack is mailbox handle 02h use given task's mailbox (task's handle on top of stack) 03h use current task's default mailbox.STACK:
DWORD size of buffer in bytes DWORD pointer to buffer
Return:
STACK: DWORD number of bytes read
Program: DESQview 2.5x is distributed as part of DESQview/X 1.0x
Notes: This call blocks if no input is available, but will return less than the requested number of bytes if some (but insufficient) data is available. Use this call instead of AH=12h/BH=04h if the mailbox has flag bits 4 or 5 set, as common memory may be exhausted by that call when attempting to read the next message
See Also: AH=12h/BH=04h"READ" - AH=12h/BH=05h - AH=12h/BH=16h
Category: DESQview/TopView and Quarterdeck Programs - Int 15h - D
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