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GRBgetcallbackfunc
| int | GRBgetcallbackfunc ( | GRBmodel | *model, |
| int | (**cb)(GRBmodel *model, void *cbdata, int where, void *usrdata) ) |
Retrieve the current user callback function.
Return value:
A non-zero return value indicates that a problem occurred while retrieving the user callback. Refer to the Error Code table for a list of possible return values. Details on the error can be obtained by calling GRBgeterrormsg.
Arguments:
model: The model in which the callback should be installed.
cb: A function pointer to the user callback function.
Example usage:
int (*mycallback)(GRBmodel *model, void *cbdata, int where, void *usrdata); error = GRBgetcallbackfunc(model, &mycallback);
