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#include <limits.h>
#include <stdint.h>
#include <mem.h>
size_t calt_memhash(const void *ptr, size_t count) {
unsigned char const *p = ptr;
size_t hash = 0;
size_t const hash_bits = sizeof hash;
while (count-- > 0) {
hash ^= (size_t) * (p++) << count % hash_bits * CHAR_BIT;
}
return hash;
}
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