C语言结构体和数组的转换

#include <stdio.h>
#include <string.h>
#define LEN  14
#define uint16_t  unsigned short int
#define uint8_t   unsigned char 
typedef struct{
	uint16_t Head;
	uint8_t  SourceID;
	uint8_t  DestinationID;
	uint8_t  Command;
	uint8_t  Data[7];
	uint16_t Tail;
}FrameInfo_TypeDef;

unsigned char gFrameInfo[LEN];
unsigned char buffer[LEN]; 



int main(int argc, char *argv[])
{
	FrameInfo_TypeDef* sFrameInfo = (FrameInfo_TypeDef*)gFrameInfo;
	unsigned int i = 0;
	for(;i<LEN;i++)
	{
		buffer[i] = i;
	}
	memset(gFrameInfo, 0, LEN);
	memcpy(gFrameInfo, buffer, LEN);
//	sFrmameInfo = (FrameInfo_TypeDef*)&gFrameInfo;
	for(i=0; i<LEN; i++)
	{
		printf("gFrame[%d] = %d \r\n.", i, gFrameInfo[i]);
	}
	printf("sFrameInfo.Head = %d\r\n", sFrameInfo->Head);
	printf("sFrameInfo.SourceID = %d\r\n", sFrameInfo->SourceID);
	printf("sFrameInfo.DestinationID = %d\r\n", sFrameInfo->DestinationID);
	printf("sFrameInfo.Command = %d\r\n", sFrameInfo->Command);
	for(i=0; i<7; i++)
	{
		printf("sFrameInfo.Data[%d] = %d \r\n.", i, sFrameInfo->Data[i]);
	}
	printf("sFrameInfo.Tail = %d\r\n", sFrameInfo->Tail);
	printf("Hello C-Free!\n");
	return 0;
}