in C

Question 7 1 points Saved What is the output of the following code? void fi (int a, int b) int c; C=a; a=b; b=c; void f2 (int *a, int *b) int c; c=*a; *a=*b; *b=c; int main() int a=4, b=5, c=6; f1(a, b); f2C&b, &c); printf ("%d", c-a-b); return 0