| SYNOPSIS | 
#include <dkim.h>
const char * dkim_sig_getselector(
	DKIM_SIGINFO *sig
);
Retrieve from a DKIM handle the selector name associated with the
specified signature on a message. | 
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| DESCRIPTION | 
| Called When | dkim_sig_getselector() can be called at any time after
    the signature information handles are initialized in the call to
    dkim_eoh(). |  | 
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| ARGUMENTS | 
    | Argument | Description | 
|---|
 | sig | Signature-specific handle. |  | 
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| RETURN VALUES | 
    | Value | Description | 
|---|
 | NULL | No selector could be determined for this signature. |  | otherwise | A pointer to the selector found in the signature. |  | 
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| NOTES |  |