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a function called at the beginning of each slice
int my_startslice( struct _doc_ctrl *c );
This function is called at the beginning of each slice. There isn't anything specific that this function should do; it's provided in case your print filter needs to use it.
The default version of this function does nothing.
Photon
| Safety: | |
|---|---|
| Interrupt handler | Not applicable | 
| Signal handler | Not applicable | 
| Thread | Not applicable | 
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