| SYNOPSIS | 
#include <libmilter/mfapi.h>
int smfi_progress(
	SMFICTX *ctx;
);
Notify the MTA that an operation is still in progress. | 
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| DESCRIPTION | 
| Called When | Called only from xxfi_eom. |  
| Effects | smfi_progress notifies the MTA that the filter is still working
on a message, causing the MTA to re-start its timeouts. |  | 
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| ARGUMENTS | 
    | Argument | Description | 
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 | ctx | Opaque context structure. |  | 
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| RETURN VALUES | smfi_progress will fail and return MI_FAILURE if:
Otherwise, it will return MI_SUCCESS |