1 #include <stdio.h>

     2 #include <stdlib.h>

     3 

     4 extern char  etext, edata, end;

     5 

     6 int main(int argc, char **argv)

     7 {

     8     char *step = (char) NULL;

     9 

    10     char *value_string = "Hallo";

    11     int   value_int    = 56;

    12 

    13     printf("First address beyond:\n");

    14     printf("    program text segment(etext)      %10p\n", &etext);

    15     printf("    initialized data segment(edata)  %10p\n", &edata);

    16     printf("    uninitialized data segment (end) %10p\n", &end);

    17     printf("    size: %ld\n", &end - &etext);

    18     printf("-----------------------------------------------\n\n");

    19 

    20     /*

    21     //text bis end ausgeben

    22     for (step = &etext; step <= (&end); step++) {

    23     printf("0x%x: ", step);

    24     putc(*step, stdout);

    25     printf("\n");

    26     }

    27     */

    28 

    29     //alles nach end ausgeben:

    30     step = &end;

    31     while (1) {

    32     printf("0x%x: ", step);

    33     putc(*step, stdout);

    34     printf("\n");

    35     step++;

    36     }

    37 

    38     //damit der compiler das nicht weg optimiert

    39     printf("%s%d", value_string, value_int);

    40 

    41     return EXIT_SUCCESS;

    42 }