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void pointer
//clang 3.8.0 #include <iostream> void incr(void *data,int dSize){ if(dSize==sizeof(char)){ char *pChar; pChar=(char*)data; ++(*pChar); }else if(dSize==sizeof(int)){ int *pInt; pInt=(int*)data; ++(*pInt); } } int main() { int a=40; char b='i'; incr(&a,sizeof(a)); incr(&b,sizeof(b)); std::cout<<a<<std::endl<<b; }
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