1 #define VAR(id) var_##id
2
3 #define _TO_STR(var_name) #var_name
4 #define TO_STR(var_name) _TO_STR(var_name)
5
6 #define _DEF(def,var,val) def var = val
7 #define DEF(def,var,val) _DEF(def,VAR(var),val)
8 // #define AUTO_(def,var,val) def VAR(var) = val //褰卞搷鍙鎬?br /> 9
10 // DEF(def,id,val) => def var_id = val
11 DEF(int, Gbits, 511768840);
12 printf("(%s = %d)\n", TO_STR(VAR(Gbits)),VAR(Gbits));
2
3 #define _TO_STR(var_name) #var_name
4 #define TO_STR(var_name) _TO_STR(var_name)
5
6 #define _DEF(def,var,val) def var = val
7 #define DEF(def,var,val) _DEF(def,VAR(var),val)
8 // #define AUTO_(def,var,val) def VAR(var) = val //褰卞搷鍙鎬?br /> 9
10 // DEF(def,id,val) => def var_id = val
11 DEF(int, Gbits, 511768840);
12 printf("(%s = %d)\n", TO_STR(VAR(Gbits)),VAR(Gbits));
2銆佽兘鍚﹀埄鐢ㄥ畯瀹氫箟 鍔ㄦ佸垱寤哄彉閲?
鑳藉惁鍔ㄦ佸垱寤哄彉閲?var_1,var_2, ...,var_n錛熺瓟妗堜技涔庢槸鍚﹀畾鐨勩?br />鍥犱負瀹忔槸鍦ㄧ紪璇戞湡闂磋В鏋愮殑錛屽洜姝?瀹忓畾涔夋棤娉曞湪榪愯鏈熼棿瀹屾垚璇ヤ換鍔?br />渚嬪瓙濡備笅:
1 for (int i = 1; i <=10; i++)
2 {
3 DEF(int, i, i);
4 printf("(%s = %d)\n", TO_STR(VAR(i)), VAR(i));
5 }
鍥犱負瀹忓畾涔夊湪緙栬瘧鏈熼棿瑙ｆ瀽錛屽洜姝ゆ墍瀹氫箟鐨勫彉閲忕紪紼媣ar_i,鑰岄潪var_1,var_2,...var_n.2 {
3 DEF(int, i, i);
4 printf("(%s = %d)\n", TO_STR(VAR(i)), VAR(i));
5 }
]]>