Returns a portion of a the string **s**, specified by the **offset** and **length** parameters. The string porttion is copied into the string **dest**, up to a limit of **max_len** characters. If there is not enough room, **NULL** is returned.
### RETURN VALUE
-
***
On success, a pointer to the string **dest** is returned, otherwise **NULL**.
### NOTES
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***
None.
@@ 40,9 37,7 @@
See GitHub Issues: <https://github.com/znac049/mega-micros-sbc3/issues>