char *ptr[N]={"pascal","basic"

char *ptr[N]={"pascal","basic","fortran","java","visual c"};指针被直接赋值为字符串
ptr[N]明明是指针啊

这是字符串常量指针的定义
char *ptest = "abc";

"123"这样写本身就是一个全局地址，指针指向一个地址没问题的