1#include <stdarg.h>
 2
 3void testFnPtr(int n, ...) {
 4    va_list ap;
 5    va_start(ap, n);
 6
 7    void (*fnPtr)(int) = va_arg(ap, void (*)(int));
 8    int arg = va_arg(ap, int);
 9    fnPtr(arg);
10    va_end(ap);
11}