#include <stdio.h>
#include <stdlib.h>
int top=0;
int fun1()
{
char a[]= {'a','b','c','(','d'};
return a[top++];
}
int main()
{
char b[10];
char ch2;
int i = 0;
while (ch2 = fun1() != '(')
{
b[i++] = ch2;
}
return 0;
}
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