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Inside Macintosh: Devices /
Chapter 2 - Slot Manager / Slot Manager Reference
Low-Level Routines /


SFindSInfoRecPtr

This function is used only by the Macintosh Operating System.

FUNCTION SFindSInfoRecPtr (spBlkPtr: SpBlockPtr): OSErr;
spBlkPtr
A pointer to a Slot Manager parameter block.
<--spResultLongIntA pointer to the slot information record.
-->spSlotSignedByteThe slot number.

DESCRIPTION
The SFindSInfoRecPtr function returns a pointer to the slot information record for a particular slot.

ASSEMBLY-LANGUAGE INFORMATION
The trap macro and routine selector for the SFindSInfoRecPtr function are
Trap macroSelector
_SlotManager$002F

On entry, register D0 contains the routine selector and register A0 contains the address of the Slot Manager parameter block. When _SlotManager returns, register D0 contains the result code.
Registers on entry
A0Address of the parameter block
D0$002F
Registers on exit
D0Result code

RESULT CODES
noErr0No error
smNoMoresRsrcs-344Requested sResource not found
SEE ALSO
For information about the high-level routine for reading the slot information record, see the description of the SReadInfo function on page 2-61.


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© Apple Computer, Inc.
3 JUL 1996