bitfields question

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#include <stdio.h>
#include <stdlib.h>
 void main()
{
struct bitfield
{
unsigned a:5;
unsigned c:5;
unsigned b:6;
};
char *p;
struct bitfield bit1={1,3,3};  //a=00001 ,c=00011 ,b=000011
p=&bit1;                           // p get the address of bit1
p++;                               // incriment the address of p in 1
printf("%d\n",*p); 
printf("%d\n",sizeof(bit1));             
}