HCF program with multiple numbers in c | Program to Find Multiple Number Input, Find HCF in C | Find HCF From Given Numbers in C

HCF  program with multiple numbers in c | Program to Find Multiple Number Input, Find HCF in C | Find HCF From Given Numbers in C

#include 
int main()
{
int x,y=-l;
printf("Insert numbers. To exit insert zero: ");
while(1)
{
scanf("%d",&x); 
if(x<1)
break; 
else 
if(y==-1)
y=x; 
else 
if (x=l;i--)
{
if(x%i==0 && y%i==0)
{
break;
}
}
return i;
}