jackywgw的专栏

[root@localhost dynamic]# ls -al total 40 drwxr-xr-x 2 root root 4096 Jul 17 18:25 . drwxr-xr-x 4 root root 4096 Jul 16 16:51 .. -rw-r--r-- 1 root root 63 Jul 17 18:25 add.c -rw-r--r-- 1 root root 66

1. 定义一个函数main.c #include int main(int argc, char *argv[]) { int a = 1; int b = 2; printf("%d + %d = %d\n",a,b,add(a,b)); return 0; }直接编译它时提示： [root@localhost static]# gcc main.c -Wa