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Parallels Desktop® 10 for Mac — C API Reference Guide
PrlFirewallRule_GetProtocol Function
PHT_FIREWALL_RULE

Returns the protocol of the specified firewall rule entry.

Syntax
PRL_RESULT PrlFirewallRule_GetProtocol(
    PRL_HANDLE hRule, 
    PRL_STR sProtocol, 
    PRL_UINT32_PTR pnBufLength
);
File

PrlApiVm.h

Parameters

hRule
A handle of type PHT_FIREWALL_RULE identifying the firewall rule.
sProtocol
[out] A pointer to a buffer that receives the result (a UTF-8 encoded, null-terminated string).
pnBufLength
[in] The size of the output buffer (in bytes). Set the buffer pointer to null and this parameter's value to zero to receive the required size. [out] The required output buffer size.
Returns

PRL_RESULT . Possible values are:

PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.

PRL_ERR_BUFFER_OVERRUN - the size of the output buffer is not large enough. The parameter that is used to specify the size will contain the required size.

PRL_ERR_SUCCESS - function completed successfully.

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