#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int debug=1;
 
main() {
 int i,j;
 char* cp;

 cp = malloc(20);
 strcpy(cp,"hello world");
 printf("%s\n", cp);

 // notice: no free....
 // you need a lot of memory ar you get a segmentation fault
 for(i=0;i<6;i++){
   printf("%d...\n",i);
   cp = malloc(1000000000);
   for(j=0;j<1000000000;j++)
     cp[j] = '0' + j;
 }
 return 0;
}