4.3BSD - /usr/src/new/spms/src/lib/libhash/src/htlookup.c

   1: /* $Header$ */
   2: 
   3: /*
   4:  * Author: Peter J. Nicklin
   5:  */
   6: 
   7: /*
   8:  * htlookup() returns a pointer to a hash table entry if found, otherwise null.
   9:  */
  10: #include "null.h"
  11: #include "hash.h"
  12: #include "macro.h"
  13: 
  14: HASHBLK *
  15: htlookup(key, hash)
  16:     char *key;          /* key for hash table entry */
  17:     HASH *hash;         /* hash table */
  18: {
  19:     HASHBLK *htb;           /* hash table entry block */
  20:     int hthash();           /* calculate hash value */
  21: 
  22:     for (htb = (hash->hashtab)[hthash(key, hash)]; htb != NULL; htb = htb->h_next)
  23:         if (EQUAL(htb->h_key, key))
  24:             return(htb);    /* found */
  25:     return(NULL);           /* not found */
  26: }

Defined functions