摘要:
sys int g0/0/4 ip address 0.0.0.0 255.255.240.0 display ip interface display interface 阅读全文
摘要:
1 #include <stdio.h> 2 #define A "hi_" 3 #define B "xpy" 4 #define C A B 5 int main() 6 { 7 printf("%s\n", C); 8 } 输出“hi_xpy” 阅读全文