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#include <stdlib.h>
#include <errno.h>
void *__memalign(size_t, size_t);
int posix_memalign(void **res, size_t align, size_t len)
{
if (align < sizeof(void *)) return EINVAL;
void *mem = __memalign(align, len);
if (!mem) return errno;
*res = mem;
return 0;
}
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