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C Programming
need addititional arg in given callback
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[QUOTE="Keith Thompson, post: 2413473"] If you can't change the type of the argument passed to the callback function, you could make its argument an index into a data structure from which it can retrieve as much information as you care to provide. The simplest such data structure, of course, is an array (presumably of structs or of pointers to structs). If you don't know in advance how many elements you'll need, allocate it dynamically and use realloc() as needed to expand it. [/QUOTE]
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need addititional arg in given callback
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