一个测试结构体和结构体指针的小程序

通过数组去索引结构体指针效果还不错，这样可以避免很多同样或者类似的代码重复的编写，基于VC6.0的平台。

 

#include "stdio.h"#include "string.h"#define MAX_LEN 32#define PCSTR const char *#define PSTR char *typedef enum{STRUCT0_ID = 0,STRUCT1_ID,STRUCT_MAX_ID,}EStructPara;typedef struct{char Str0[MAX_LEN+1];char Str1[MAX_LEN+1];}TString;typedef struct{unsigned int IntVar0;unsigned int IntVar1;unsigned int IntVar2;}TIntVar;TString tTestStr = {"aaa", "123"};TIntVar tTestVar = {123456, 987654, 100000};PCSTR GlobalTable[STRUCT_MAX_ID] = {(PCSTR)(&tTestStr), // (PCSTR)((TString *)&tTestStr),(PCSTR)(&tTestVar), // (PCSTR)((TIntVar *)&tTestVar),};PSTR GetInfoPoint(EStructPara type){if ((type >= STRUCT0_ID) && (type < STRUCT_MAX_ID)){return (PSTR)GlobalTable[type];}return NULL;}void GetInfoStruct(void *InputPara, EStructPara type, int length){if ((type >= STRUCT0_ID) && (type < STRUCT_MAX_ID)){memcpy(InputPara, GlobalTable[type], length);}return;}void TestInfoPoint(void){TString *tTmpStr = NULL;TIntVar *tTmpInt = NULL;printf("/nTestInfoPoint function run !/n");tTmpStr = (TString *)GetInfoPoint(STRUCT0_ID);printf("/ntTmpStr->Str0:%s/ntTmpStr->Str1:%s/n", tTmpStr->Str0, tTmpStr->Str1);tTmpInt = (TIntVar *)GetInfoPoint(STRUCT1_ID);printf("/ntTmpInt->IntVar0:%d/ntTmpInt->IntVar1:%d/ntTmpInt->IntVar2:%d/n", tTmpInt->IntVar0, tTmpInt->IntVar1, tTmpInt->IntVar2);}void TestInfoStruct(void){TString tTmpStr = {0};TIntVar tTmpInt = {0};printf("/n--------------------------------/n");printf("TestInfoStruct function run !/n");GetInfoStruct(&tTmpStr, STRUCT0_ID, sizeof(TString));printf("/ntTmpStr.Str0:%s/ntTmpStr.Str1:%s/n", tTmpStr.Str0, tTmpStr.Str1);GetInfoStruct(&tTmpInt, STRUCT1_ID, sizeof(TIntVar));printf("/ntTmpInt.IntVar0:%d/ntTmpInt.IntVar1:%d/ntTmpInt.IntVar2:%d/n", tTmpInt.IntVar0, tTmpInt.IntVar1, tTmpInt.IntVar2);}int main(int argc, char **argv){TestInfoPoint();TestInfoStruct();return 0;}