enum type(INT,DOUBLE,LONG);

#define CheckIfExist(arr, num, type, count, len)\
{\
int i;\
type * ptr = (type *)arr;\
type * nPtr = (type *) num;\
for(i=0; i<len; i++, ptr++)\
	{\
if(*ptr == *nPtr)\
		{\
count = i+1;\
	}\
		}\
}

double BodekImKayam(void* arr,void* num, int type, int len)
{
double count =0;
switch (type) {
case INT: {
CheckIfExist(arr, num, int, count, len);
return count;}
case LONG: {
CheckIfExist(arr, num, long, count, len);
return count;}
}
}

int main ()
{
int arr[] = {1};
int len = sizeof(arr)/sizeof(arr[0]);
int num = 77;
if (BodekImKayam(arr,&num,INT,len) == 0)
printf("num not found");
return 1;