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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <search.h>
  4.  
  5.        static char *data[] = { "alpha", "bravo", "charlie", "delta",
  6.             "echo", "foxtrot", "golf", "hotel", "india", "juliet",
  7.             "kilo", "lima", "mike", "november", "oscar", "papa",
  8.             "quebec", "romeo", "sierra", "tango", "uniform",
  9.             "victor", "whisky", "x-ray", "yankee", "zulu"
  10.        };
  11.  
  12.        int
  13.        main(void)
  14.        {
  15.            ENTRY e, *ep;
  16.            int i;
  17.  
  18.            hcreate(30);
  19.  
  20.            for (i = 0; i < 24; i++) {
  21.                e.key = data[i];
  22.                /* data is just an integer, instead of a
  23.                   pointer to something */
  24.                e.data = (void *) i;
  25.                ep = hsearch(e, ENTER);
  26.                /* there should be no failures */
  27.                if (ep == NULL) {
  28.                    fprintf(stderr, "entry failed\n");
  29.                    exit(EXIT_FAILURE);
  30.                }
  31.            }
  32.  
  33.            for (i = 22; i < 26; i++) {
  34.                /* print two entries from the table, and
  35.                   show that two are not in the table */
  36.                e.key = data[i];
  37.                ep = hsearch(e, FIND);
  38.                printf("%9.9s -> %9.9s:%d\n", e.key,
  39.                       ep ? ep->key : "NULL", ep ? (int)(ep->data) : 0);
  40.            }
  41.            hdestroy();
  42.            exit(EXIT_SUCCESS);
  43.        }
Success #stdin #stdout 0s 2244KB
comments (?)
stdin
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Standard input is empty
stdout
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   whisky ->    whisky:22
    x-ray ->     x-ray:23
   yankee ->      NULL:0
     zulu ->      NULL:0
https://ideone.com/mr06W3
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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