struct1.c

来自「this is a gcc file, you can download it 」· C语言 代码 · 共 15 行

// Various struct lookup tests.  We didn't used to complain about
// the definition of C.

struct A;
typedef struct A B;		// { dg-error "previous declaration" }
struct B;			// { dg-error "conflicting types" }

typedef struct { int i; } C;	// { dg-error "previous declaration" }
struct C;			// { dg-error "conflicting types" }

struct D;
typedef struct D D;
typedef struct D { int i; } D;
typedef struct D D;