Sorts a byte array, using compare_func which should be a
qsort()-style comparison function (returns less than zero for first
arg is less than second arg, zero for equal, greater than zero if
first arg is greater than second arg).

If two array elements compare equal, their order in the sorted array
is undefined. If you want equal elements to keep their order (i.e.
you want a stable sort) you can write a comparison function that,
if two elements would otherwise compare equal, compares them by
their addresses.

Sorts a byte array, using

compare_funcwhich should be aqsort()-style comparison function (returns less than zero for first arg is less than second arg, zero for equal, greater than zero if first arg is greater than second arg).If two array elements compare equal, their order in the sorted array is undefined. If you want equal elements to keep their order (i.e. you want a stable sort) you can write a comparison function that, if two elements would otherwise compare equal, compares them by their addresses.