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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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void *calloc(size_t nmemb, size_t size)
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{
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if (size == 0 || nmemb == 0)
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return (NULL);
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void *ret = malloc(nmemb * size);
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if (ret == NULL)
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return (NULL);
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memset(ret, 0x00, size);
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return (ret);
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}
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