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apfohl/funcptr.c

Created September 15, 2015 18:27
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C Function Pointer passing
Raw
funcptr.c
#include <stdio.h>
union env {
void (*func)();
};
void foo(int a, int b)
{
printf("%d\n", a + b);
}
int main(void)
{
void *temp = NULL;
union env env;
env.func = foo;
temp = &env;
((union env *)temp)->func(1, 2);
return 0;
}
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