条件编译

#if (PHONE_TYPE == T46_TYPE)
#define LINEKEY_PERPAGE_COUNT    9
#elif (PHONE_TYPE == T48_TYPE)
#define LINEKEY_PERPAGE_COUNT    9
#elif (PHONE_TYPE == T42_TYPE || PHONE_TYPE == CPX_TYPE)
#define LINEKEY_PERPAGE_COUNT    5
#endif