C 语言中的优先级

 1 /*********************************************************************
 2  * @fn      bdAddr2Str
 3  *
 4  * @brief   Convert Bluetooth address to string. Only needed when
 5  *          LCD display is used.
 6  *
 7  * @return  none
 8  */
 9 char *bdAddr2Str( uint8_t *pAddr )//ownMacAdd[6]
10 {
11 #define B_ADDR_STR_LEN    15
12 
13   uint8_t     i;
14   char        hex[] = "0123456789ABCDEF";
15   static char str[B_ADDR_STR_LEN];
16   char        *pStr = str;
17 
18   *pStr++ = ‘0‘;
19   *pStr++ = ‘x‘;
20 
21   // Start from end of addr
22   pAddr += B_ADDR_LEN;
23 
24   for ( i = B_ADDR_LEN; i > 0; i-- )
25   {
26     *pStr++ = hex[*--pAddr >> 4];
27     *pStr++ = hex[*pAddr & 0x0F];
28   }
29 
30   *pStr = 0;
31 
32   return str;
33 }