[C语言]对一段连续内存，多个结构体赋值的一种手段

#include
#include
#include

typedef unsigned char       UINT8;
  
typedef struct {
  UINT8 Type;       ///< 0x01 Hardware Device Path.
                    ///< 0x02 ACPI Device Path.
                    ///< 0x03 Messaging Device Path.
                    ///< 0x04 Media Device Path.
                    ///< 0x05 BIOS Boot Specification Device Path.
                    ///< 0x7F End of Hardware Device Path.

  UINT8 SubType;    ///< Varies by Type
                    ///< 0xFF End Entire Device Path, or
                    ///< 0x01 End This Instance of a Device Path and start a new
                    ///< Device Path.

  UINT8 Length[2];  ///< Specific Device Path data. Type and Sub-Type define
                    ///< type of data. Size of data is included in Length.
                    //Length[0]: low 8 bytes, Length[1]: high 8 bytes

} EFI_DEVICE_PATH_PROTOCOL;

int main()
{
    int aaa = 2;
    int bbb = 3;
    unsigned char s[30];
    memset(s, 0, 30);
    
    EFI_DEVICE_PATH_PROTOCOL *p = (EFI_DEVICE_PATH_PROTOCOL *)s;
    p->Type = 1;
    p->SubType = 2;
    p->Length[0] = 3;
    p->Length[1] = 4;
    
    
    p = (EFI_DEVICE_PATH_PROTOCOL *)(s + 15);
    p->Type = 1;
    p->SubType = 2;
    p->Length[0] = 3;
    p->Length[1] = 4;
    
    for(int i=0;i<30;i++)
    {
        printf("%d: %c %u\n", i+1, s[i], s[i]);
        //TODO
    }    
}