_aligned_free is marked __declspec(noalias), meaning that the function is guaranteed not to modify global variables. For more information, see noalias.
This function does not validate its parameter, unlike the other _aligned CRT functions. If memblock is a NULL pointer, this function simply performs no actions. It does not change errno and it does not invoke the invalid parameter handler. If an error occurs in the function due to not using _aligned functions previously to allocate the block of memory or a misalignment of memory occurs due to some unforeseen calamity, the function generates a debug report from the _RPT, _RPTF, _RPTW, _RPTFW Macros.
Not applicable. To call the standard C function, use PInvoke. For more information, see Platform Invoke Examples.