将结构体中的部分成员定义在其他文件中

BeInclude.h

#ifdef _BEINCLUDE_H_
int nBeInclude;
#endif

DefineStruct.h

typedef struct{
int nDef;
#define _BEINCLUDE_H_
#include "BeInclude.h"
#undef _BEINCLUDE_H_
}TEST;

引用：

#include "DefineStruct.h"

void main()
{
TEST testA;
testA.nDef = 1;
testA.nBeInclude = 2;

printf("testA.nDef = %d,testA.nBeInclude = %d/n",
testA.nDef,
testA.nBeInclude);
}