Implementing a search and delete function into a Hash table

Can anyone give me some guidance as to how to add a search and delete function to my existing code?

Thank you for any help.  No rush.

/*This is a program to demonstrate Hashing-to-Lists Functions*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define NUMPOINTERS 5

 
/*  Structure Declaration */
typedef struct student STUDENTREC;
struct student
{
     char ss[10];
     struct student *next;
};
 

/*Function Declarations*/
STUDENTREC *insert(char ss[], STUDENTREC *student_body[], int hashval);
void traverse(STUDENTREC *student_body[]);
int hash(char ss[]);

int main()
{
     char ss[10];
     STUDENTREC *student_body[NUMPOINTERS] = {NULL};
     STUDENTREC *person;
     int hashval;
     
     while(printf("Enter Social Security Number: "), strcmp(gets(ss), "quit"))
     {
          hashval = hash(ss);
          person = insert(ss, student_body, hashval);
          if (person)
               printf("You have attempted to enter a duplicte record!\n");
     } /*end of while*/

     traverse(student_body);
     return 0;

} /*end of main() */

/*Hash Social Security number by summing the cubes of the ASCII value
of characters and then take the modulo of this sum.  Return reslt(hashval). */
int hash(char ss[])
{
     long hashval = 0;

     for(; *ss != '\0'; ss++)
          hashval += (*ss) * (*ss) * (*ss);
     return hashval % NUMPOINTERS;
} /*end of hash() */

/*Put hashed record in list indicated by hash value. */
STUDENTREC *insert(char ss[], STUDENTREC *student_body[], int hashval)
{
     STUDENTREC **mover;

     mover = &student_body[hashval];
     while (*mover)
     {
          if (strcmp(ss, (*mover)->ss) == 0)
               return (*mover);
          mover = &((*mover)->next);
     } /*end of while */

     if ((*mover = (STUDENTREC *) malloc(sizeof(STUDENTREC))) ==NULL)
     {
          printf("Malloc error in insert\n");
          exit(1);
     } /*end of if */

     strcpy((*mover)->ss, ss);
     (*mover)->next = NULL;
     printf("Person with ss number %s placed in list %d.\n", ss, hashval);
     return NULL;
} /*end of insert() */

/*searches the hash table for a social security number */
STUDENTREC *insert(char ss[], STUDENTREC *student_body[], int hashval)






/*Output contents of lists */
void traverse(STUDENTREC *student_body[])
{
     int i;
     STUDENTREC **mover;

     for (i = 0; i < NUMPOINTERS; i++)
     {
          printf("Contents of list %d:\n", i);
          printf("--------------------\n");
          for (mover = &student_body[i]; *mover; mover = &(*mover)->next)
               printf("%s\n", (*mover)->ss);
          printf("\n");
     } /*end of for */

} /* end of traverse() */