Home / api / name / gb_subst_callback 
GB_SUBST_CALLBACK
Syntax
typedef void (*GB_SUBST_CALLBACK) ( int index , char **str , long *len );

This is the the type definition of the callback used by the GB.SubstString function.

The callback will receive the following parameters :

If you need, you can use the GB.SubstAdd function instead of using str and len for returning the string to substitute.


See also
String Management