void* my_memmove(void *des,const void *src,int size)
{
char *Des=(char*)des;
char *Src=(char*)src;
assert(Des && Src);
int len=strlen(Src);
assert(size >0 && size <len);
if(Des < Src || Des+size > Src+len)
{
while(size)
{
*Des++=*Src++;
--size;
}
}else
{
Des=Des+size;
Src=Src+size;
while(size)
{
*Des--=*Src--;
--size;
}
}
return des;
}
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