#include <stdio.h>
int gSum;
 
int foo1(int n){
	gSum = gSum + n;
	return (gSum + 1);
}
 
int foo2(int n){
	int gSum = n;
	return (gSum + 1);
}
int main(void){
	int nx;
 
	gSum =0;
	nx= foo1(foo2(1));
	printf("nx=%d,gSum=%d\n",nx
,gSum
); 	return 0;
}
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