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The QUERYLOCATOR structure defines the structure that is sent by using the Remote Mailslot Protocol when the client locator is looking for a master locator.
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typedef struct { unsigned long MessageType; unsigned long SenderOsType; wchar_t RequesterName[18]; } QUERYLOCATOR;
MessageType: This defines the type of the message being sent. It MUST be the following value.
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Value
Meaning
QUERY_MASTER_LOCATOR
0x01
Query for an existing master locator.
SenderOsType: An identifier indicating the type of operating system running on the computer of the sender locator. This MUST be the following value.
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Value
Meaning
OS_NTWKGRP
0x04
The operating system is Windows NT 4.0 operating system or later.
RequesterName: The mailslot sender as specified in section 2.2.4.1.1. This parameter is limited to 18 characters including the terminating null character.