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