The poster you are replying to didn't suggest hardcoding intcmp into qsort - just making it so the implmentation of qsort is available to the compiler when the

The poster you are replying to didn't suggest hardcoding intcmp into qsort - just making it so the implmentation of qsort is available to the compiler when the comparison function is known (i.e. just like with C++). When this is done, the compiler can inline qsort, and replace the indirect function call with an inlined version of intcmp, and then things are equivalent.