21 lines
351 B
C
21 lines
351 B
C
#include <string.h>
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void* memmove(void* destp, const void* srcp, size_t n)
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{
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unsigned char* dest = (unsigned char*)destp;
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const unsigned char* src = (const unsigned char*)srcp;
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if (dest < src)
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{
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for (size_t i = 0; i < n; i++)
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dest[i] = src[i];
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}
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else
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{
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for (size_t i = 1; i <= n; i++)
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dest[n - i] = src[n - i];
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}
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return destp;
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}
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