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#pragma once
#include <stdlib.h>
#include <string.h>
void* memdup(void *buf, size_t num);
void* check_after_allocation(const char *funcname, void *ptr);
#define malloc(num, type) \
((type*)check_after_allocation("malloc", malloc((num)*sizeof(type))))
#define calloc(num, type) \
((type*)check_after_allocation("calloc", calloc((num), sizeof(type))))
#define realloc(ptr, num, type) \
((type*)check_after_allocation("realloc", realloc(ptr, (num)*sizeof(type))))
#define strdup(str) \
((char*)check_after_allocation("strdup", strdup((str))))
#define memdup(buf, num) \
((char*)check_after_allocation("memdup", memdup((void*)(buf), (num))))
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