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Return value though parameter

#include <stdio.h> #include <stdlib.h> void mean(int a, int b, int return_val ) { return_val = (a + b) / 2; printf("return_val in mean in %d\n",return_val); } int main() { int x, j; int answer; x = 13; j = 8; mean(x, j, answer); printf("The mean of %d and %d = %d\n", x, j, answer); }