[dywang@dyw219 zzz]$ vim pointer2.c [dywang@dyw219 zzz]$ cat pointer2.c #include <stdio.h> main () { int *p=NULL; printf( "p = %x\n", p ); }
[dywang@dyw219 zzz]$ gcc -o pointer2 pointer2.c
[dywang@dyw219 zzz]$ ./pointer2 p = 0