Tugas single linked list

single_linked_list.c

#include <stdio.h>

#include <stdlib.h>

struct Mahasiswa {
    char * Nama;
    int Nrp;
    struct Mahasiswa * Next;
};

void Push(struct Mahasiswa ** head_ref, char * nama, int nrp) {
    struct Mahasiswa * new_node = (struct Mahasiswa * ) malloc(sizeof(struct Mahasiswa));

    struct Mahasiswa * last = * head_ref;

    new_node -> Nama = nama;
    new_node -> Nrp = nrp;

    new_node -> Next = NULL;

    if ( * head_ref == NULL) {
        * head_ref = new_node;
        return;
    }

    while (last -> Next != NULL)
        last = last -> Next;
    last -> Next = new_node;
    return;
}

void Tampil(struct Mahasiswa * head_ref) {
    do {
        printf("%s |%d", head_ref -> Nama, head_ref -> Nrp);
        printf("\n");
        head_ref = head_ref -> Next;
    } while (head_ref != NULL);
}

void SearchByName(struct Mahasiswa * head_ref, char * nama) {
    int i = 0;
    struct Mahasiswa * first = & head_ref;
    do {
        if (head_ref -> Nama == nama) {
            printf("Index Ke-%d = %s |%d\n", i, head_ref -> Nama, head_ref -> Nrp);
            return;
        }

        head_ref = head_ref -> Next;
        i++;
    } while (head_ref != NULL);

    head_ref = first;
    printf("Data dengan NAMA %s tidak ditemukan", * nama);
}

void SearchByNrp(struct Mahasiswa * head_ref, int nrp) {
    int i = 0;
    struct Mahasiswa * first = & head_ref;
    do {
        if (head_ref -> Nrp == nrp) {
            printf("Index Ke-%d = %s |%d\n", i, head_ref -> Nama, head_ref -> Nrp);
            return;
        }

        head_ref = head_ref -> Next;
        i++;
    } while (head_ref != NULL);

    head_ref = first;
    printf("Data dengan NRP %d tidak ditemukan\n", nrp);
}

int main() {
    struct Mahasiswa * head = NULL;
    Push( & head, "Defri", 123);
    Push( & head, "Indra", 124);
    Push( & head, "Mahardika", 125);

    SearchByName(head, "Indra");
    SearchByNrp(head, 126);
    Tampil(head);
    
//   Output : 
//   Index Ke-1 = Indra |124
//   Data dengan NRP 126 tidak ditemukan
//   Defri |123
//   Indra |124
//   Mahardika |125
}