33 lines
337 B
C
33 lines
337 B
C
typedef struct
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{
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void *p;
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} Ptr;
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struct A
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{
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int i;
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union
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{
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Ptr p;
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char *q;
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} u;
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};
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extern Ptr get_stuff (void);
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extern void use_stuff (char *);
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static void foo(struct A p, char *q)
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{
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if (p.i)
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p.u.p = get_stuff ();
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else
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p.u.q = q;
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use_stuff (p.u.q);
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}
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void bar(struct A *p, char *q)
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{
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foo(*p, q);
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}
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