1  #include <ctf-api.h>
       2  #include <stdio.h>
       3  #include <stdlib.h>
       4  
       5  int
       6  main (int argc, char *argv[])
       7  {
       8    ctf_dict_t *fp;
       9    ctf_archive_t *ctf;
      10    ctf_id_t type;
      11    char *type_name;
      12    ctf_membinfo_t mi;
      13    int err;
      14  
      15    if (argc != 2)
      16      {
      17        fprintf (stderr, "Syntax: %s PROGRAM\n", argv[0]);
      18        exit(1);
      19      }
      20  
      21    if ((ctf = ctf_open (argv[1], NULL, &err)) == NULL)
      22      goto open_err;
      23    if ((fp = ctf_dict_open (ctf, NULL, &err)) == NULL)
      24      goto open_err;
      25  
      26    /* Dig out some strucutre members by name.  */
      27  
      28    if ((type = ctf_lookup_by_name (fp, "struct foo_t") ) == CTF_ERR)
      29      goto err;
      30  
      31    if (ctf_member_info (fp, type, "baz", &mi) < 0)
      32      goto err;
      33  
      34    type_name = ctf_type_aname (fp, mi.ctm_type);
      35    printf ("baz is of type %s, at offset %lx\n", type_name, mi.ctm_offset);
      36    free (type_name);
      37  
      38    if (ctf_member_info (fp, type, "one_more_level", &mi) < 0)
      39      goto err;
      40  
      41    type_name = ctf_type_aname (fp, mi.ctm_type);
      42    printf ("one_more_level is of type %s, at offset %lx\n", type_name, mi.ctm_offset);
      43    free (type_name);
      44  
      45    if (ctf_member_info (fp, type, "should_not_appear", &mi) >= 0
      46        || ctf_errno (fp) != ECTF_NOMEMBNAM)
      47      fprintf (stderr, "should_not_appear appeared.\n");
      48  
      49    ctf_dict_close (fp);
      50    ctf_close (ctf);
      51  
      52    return 0;
      53  
      54   open_err:
      55    fprintf (stderr, "%s: cannot open: %s\n", argv[0], ctf_errmsg (err));
      56    return 1;
      57   err:
      58    fprintf (stderr, "Lookup failed: %s\n", ctf_errmsg (ctf_errno (fp)));
      59    return 1;
      60  }