#include <stdio.h>

#include <stdlib.h>

void add_entry(char *, char *);

void populate_census();

struct census_entry {

char * fullName;

char * githubUsername;

struct census_entry * next;

};

typedef struct census_entry CensusEntry_t;

static CensusEntry_t * head = NULL;

static CensusEntry_t * tail = NULL;

void populate_census() {

/*

* ADD YOURSELF HERE!

*

* Add yourself using the following format:

* add_entry("Your Name", "github_username");

*/

add_entry("Allen Comp Sci", "AllenCompSci");

add_entry("Maxwell Cody", "MaxwellCody");

}

int main(int argc, char * argv[]) {

populate_census();

for(CensusEntry_t * current = head; current != NULL; current = current->next) {

printf("Hello World from %s @ https://github.com/%s\n", current->fullName, current->githubUsername);

}

return EXIT_SUCCESS;

}

void add_entry(char * fullName, char * githubUsername) {

CensusEntry_t * entry = malloc(sizeof(CensusEntry_t));

entry->fullName = fullName;

entry->githubUsername = githubUsername;

entry->next = NULL;

// If one of these conditions is true, then they both should be

// we're checking both just to be sure.

if(head == NULL || tail == NULL) {

head = entry;

} else {

tail->next = entry;

}

tail = entry;

}