z value is 5 in main function,but after calling fun function z value become 15 in fun function.can anyone syggest the answer....

Question

#include <stdio.h>

int fun(int a,int b,int c)
{
printf("the value of x... %d\n",a);
printf("the value of y..... %d\n",b);
printf("the value of z..... %d\n",c);

return 2*(a+b+c);
}

int main()
{
int x=1,y=2,z=3,result;
result=fun(x,y,(z=5,z+10));
printf("the value of x... in main%d\n",x);
printf("the value of y.....in main %d\n",y);
printf("the value of z...in main %d\n",z);
printf("%d",result);

}

Answer 1

You used comma operator whig take the last instruction as its value, here z + 10