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gfbgraph Reference Manual | ||
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| S | A | E | T | C | T | ||||
S
The callback is valid until first called.
A
NULL is ok, both for passing and for returning.
E
Generics and defining elements of containers and arrays.
T
Free data after the code is done.
C
This parameter is a 'user_data', for callbacks; many bindings can pass NULL here.
T
Don't free data after the code is done.