메모리 레이아웃

#define PRADDR(X) printf(" %s at %o and value = %o\n","X",&X,X)

extern etext, edata, end;

static char s = 'S';

int a,b = 1;

main(argc,argv)

int argc;

char *argv[];

{

void sub1();

static int c, d =1;

char m,n = 'n';

printf("main at %o and sub1 at %o\n",main,sub1);

printf("end of text segment at %o\n",&etext);

PRADDR(s);      PRADDR(b);

PRADDR(c);      PRADDR(d);

printf("end of statics & initialized externals at %o\n", &edata);

PRADDR(a);

printf("end of uninitialized externals at %o\n", &end);

PRADDR(m);      PRADDR(n);

PRADDR(argc);      PRADDR(argv);

for(b = 0; b<argc; b++)

        printf("argv[%d] at %o and value = %o or %s\n",

               b, &argv[b], argv[b], argv[b]);

       sub1(c);

}

void sub1(p)

int p;

{

static int t;

char v;

PRADDR(t); PRADDR(p); PRADDR(v);

}