#define X 3 #define Y X*2 #undef X #define X 2 int z=Y; z 的值为多少?

#define s(x) 3 #define S(x) 3 #define define fun(x, #define configASSERT( x ) #define min(x,y) (x #define MIN(x,y)(x) #define __T(x) L ## x #define get2byte(x) ((x)[0] #define X 3 #define Y X*2 #undef X #define X 2 int z=Y; z 的值为多少? #define F(x) x - 2 #define D(x) x*F(x) printf(%d,%d,D(3),D(D(3))) ; # define A 3 # define B(a) (( A + 1 )*a ) M x = 3*( A + B( 7 ) ) ;# define A 3# define B(a) (( A + 1 )*a )Mx = 3*( A + B( 7 ) ) ;这个要怎么解答 define是什么意思 #define SETBIT(x,y) (x|=(1 #define MEM_B( x ) ( *( (byte *) (x) ) 我看不懂 #define get_u8(X,O) (*(u8 *)(((u8 *)X) + )define f(x)(x*x) 和 define f(x) x*x 之间的差别. #define 后面的意思// macros for accessing triangle corners#define TIN_TRIANGLE(i) (i/3)#define TIN_CORNER(i) (i%3)#define TIN_INDEX(t,c) (t*3+c)#define TIN_NEXT(c) ((c+1)%3)#define TIN_PREV(c) ((c+2)%3)