test priority of * and ++ in c

gistfile1.c

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>

#define TEST_STR         "ABCD"
#define TEST_STR_SIZE    5
#define TEST_INIT()      \
     origin = malloc( TEST_STR_SIZE ); \
     p = origin; strncpy(p, TEST_STR, TEST_STR_SIZE);
#define TEST_END()       free(origin);
#define TEST_PRINT(EXP)  \
     TEST_INIT(); \
       printf(#EXP "\t");	\
       printf("%s -> ", origin); \
       printf("%s  ( exp = %C,", origin, EXP); \
       printf(" *p = %C, p = 0x%x )\n", *p, p); \
     TEST_END();

int main()
{
     uint8_t *origin;
     uint8_t *p;
     TEST_PRINT(     *p   );
     TEST_PRINT(   ++*p   );
     TEST_PRINT(  ++*(p)  );
     TEST_PRINT(  ++(*p)  );
     TEST_PRINT(  *(++p)  );
     TEST_PRINT(   *p++   );
     TEST_PRINT(  *(p)++  );
     TEST_PRINT(  (*p)++  );
     TEST_PRINT(  *(p++)  );
     return 0;
}