//int posix_memalign(void **memptr, size_t alignment, size_t size);
// The function aligned_alloc() was added to glibc in version 2.16.
// http://linux.die.net/man/3/aligned_alloc
//
void *aligned_alloc(size_t alignment, size_t size);
void free(void *ptr);
void xor(char* data, size_t len);
""")
ffi.libc = ffi.dlopen(None)
ffi.xor = ffi.dlopen('libxor.so')
variant1(ffi, 16, 1024)
variant1(ffi, 16, 1024, init = True)
s = ''.join([chr(i) for i in xrange(16)])
#variant1(ffi, 16, 1024, initstr = '*' * 1024)
variant1(ffi, 16, 1024, initstr = s * (1024 / 16))
## The next variant will only work on _newest_ libc.
##
## How do I check programatically?
## E.g., you can do this in shell: "apt-cache show libc6"
##
## The Linux man page says there is a macro: _ISOC11_SOURCE
##
