An example about uthash

#include "uthash.h"

#include <stdlib.h>   /* malloc */

#include <stdio.h>    /* printf */



typedef struct _user_t {

    int id;

    char name[25];

    UT_hash_handle hh;

} USER_T,*PUSER_T;



void main()

{

    int i;

    PUSER_T user, users=NULL;



    /* create elements */

    for(i=0; i<10; i++) {

        user = (PUSER_T)malloc(sizeof(USER_T));

        if (user == NULL) {

            exit(-1);

        }

        user->id = i;

        sprintf(user->name,"Hello, nicholas. %d", i);

        HASH_ADD_INT(users,id,user);

    }



    for(user=users; user; user=(PUSER_T)(user->hh.next)) {

        printf("user %d, name %s\n", user->id, user->name);

    }

    return 0;

}