6 #include <stdio.h>
  7 #include <fcntl.h>
  8 #include <sys/mman.h>
  9 #include <sys/stat.h>
 10 #include <unistd.h>
 11 #include "mmap.h"
 12
 13  int main (int argc, char* const argv[]) {
 14      int fd;
 15      void* file_memory;
 16      int integer;
 17
 18      int num = atoi(argv[2]);
 19      /* open the file  */
 20      fd = open (argv[1], O_RDWR, S_IRUSR | S_IWUSR);
 21
 22
 23      /* create the memory-mapping */
 24      file_memory = mmap (NULL, FILESIZE, PROT_READ | PROT_WRITE,
 25                          MAP_SHARED, fd, 0);
 26
 27      void* curr_memory_map = file_memory;
 28      close (fd);
 29
 30      for(int i = 0 ; i < num ;i++){
 31       /* read and print the integer */
 32       sscanf (curr_memory_map, "%d", &integer);
 33       int incrementation = printf ("file contains: %d\n", integer);
 34
 35       curr_memory_map +=incrementation;
 36       char* curr_value = curr_memory_map;
 37
 38       if (!curr_value){
 39         break;
 40       }
 41
 42      }
 43      /* release the memory */
 44      munmap (file_memory, FILESIZE);
 45
 46      return 0;
 47  }