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#include <stddef.h> int memcmp(const void *a_ptr, const void *b_ptr, size_t size) { const unsigned char *a = (const unsigned char *)a_ptr; const unsigned char *b = (const unsigned char *)b_ptr; for (size_t i = 0; i < size; i++) { if (a[i] < b[i]) return -1; else if (b[i] < a[i]) return 1; } return 0; }
