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POIssue with array of pointers
 

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    <p>I'm writing a program to alphabetize inputted names and ages. The ages are inputted separately, so I know I need to use an array of pointers to tie the ages to the array of names but I can't quite figure out how to go about doing it. Any ideas?</p> <p>So far, my program only alphabetizes the names.</p> <pre><code>/* program to alphabetize a list of inputted names and ages */ #include &lt;stdio.h&gt; #define MAXPEOPLE 50 #define STRSIZE int alpha_first(char *list[], int min_sub, int max_sub); void sort_str(char *list[], int n); int main(void) { char people[MAXPEOPLE][STRSIZE]; char *alpha[MAXPEOPLE]; int num_people, i; char one_char; printf("Enter number of people (0...%d)\n&gt; ", MAXPEOPLE); scanf("%d", &amp;num_people); do scanf("%c", &amp;one_char); while (one_char != '\n'); printf("Enter name %d (lastname, firstname): ", ); printf("Enter age %d: ", ); for (i = 0; i &lt; num_people; ++i) gets(people[i]); for (i = 0; i &lt; num_people; ++i) alpha[i] = people[i]; sort_str(alpha, num_people); printf("\n\n%-30s5c%-30s\n\n", "Original List", ' ', "Alphabetized List"); for (i = 0; i &lt; num_people; ++i) printf("-30s%5c%-30s\n", people[i], ' ', alpha[i]); return(0); } int alpha_first(char *list[], int min_sub, int max_sub) { int first, i; first = min_sub; for (i = min_sub + 1; i &lt;= max_sub; ++i) if (strcmp(list[i], list[first]) &lt; 0) first = i; return (first); } void sort_str(char *list[], int n) { int fill, index_of_min; char *temp; for (fill = 0; fill &lt; n - 1; ++fill){ index_of_min = alpha_first(list, fill, n - 1); if(index_of_min != fill){ temp = list[index_of_min]; list[index_of_min] = list[fill]; list[fill] = temp; } } } </code></pre>
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    1. COAre you looking for the [hash table](http://en.wikipedia.org/wiki/Hash_table) data structure?
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    2. COHey, this is a lot of code, is there any pieces of this that can be omitted? I'm much more willing to help when I don't have to try to read 50 lines of uncommented C.
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    3. CO@H2CO3 That looks like it would work, but this is for a class and we have not learned about hash tables yet. My professor instructed us to "create an array of character pointers to store the addresses of the names in the name array initially" and then "use another array of pointers to age array to make sure the age is corresponding to the correct name".
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