mp bullshit

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_CART 100

typedef char string15[16];
typedef char string20[21];
typedef char string50[51];
typedef char string8[9];

typedef struct{
    string20 first;
    string20 middle;
    string20 last;
}nameType;

typedef struct{
    nameType name;
    string50 address;
}userInfoType;

typedef struct{
    string8 code;
    int qty;
}prodBoughtType;
typedef prodBoughtType arrBought[MAX_CART];

struct userTag{
    string15 username;
    string15 password;
    userInfoType info;
    char type;
    float creditLimit;
    float outstanding;
    arrBought cart;
    int nItems;
    struct userTag *pNext;
};
typedef struct userTag userType;
typedef userType *ptrUser;

/*void administrator(){

}*/

/*void shopper(){

}*/

int numUsers(ptrUser pUsers){
    int ctr=0;
    while(pUsers != NULL){
      ctr++;
      pUsers = pUsers->pNext;
    }
    return ctr;
}

void logIn(ptrUser pUsers){
    char user,pword;
    int attempts=0;
    do {
        printf("Enter Username: ");
        scanf("%s",&user);
        if (strcmp((*pUsers).username,user) == 0 && attempts < 3){
            do{
               printf("Enter Password: ");
               scanf("%s",&pword);
            if (strcmp (pUsers->password,pword)!=0){
                printf("Try again, %d try/s left\n",3-attempts);
                attempts++;
               }
            } while (attempts <= 3 && strcmp (pUsers->password,pword) !=0);

            /*if (strcmp(pUsers->password,input)==0)
                if (user.type == 's')
                    shopper(&(*pUsers));
                else if (user.type == 'A')
                    administrator(&(*pUsers))
            else if (attempts >= 3)*/

        }

    } while (strcmp (pUser->username,user));

}

ptrUser search(ptrUser pFirst, string15 username){
    ptrUser pRun;

    pRun = pFirst;

    while (pRun != NULL && strcmp(username, pRun->username) != 0){
        pRun = pRun->pNext;
    }
    return pRun;
}

void deleteNode(ptrUser *pFirst,string15 username){
    ptrUser pFind, pRun;
    if (pFirst == NULL)
       printf("List is empty");
    else{
        pFind = search(*pFirst, username);
        if (pFind == NULL)
           printf("%s is not in the list\n",username);
        else //found note to delete
           if (pFind == *pFirst){
              *pFirst = (*pFirst)->pNext;
              free(pFind);
              pFind = NULL;
           }
           else { //delete from middle or end
              pRun = *pFirst;
              while (pRun->pNext != pFind){
                 pRun = pRun->pNext;
              }
              pRun->pNext = pFind->pNext;
              free(pFind);
              pFind = NULL;
           }
        }
    }


void displayAllRecur(ptrUser pUsers){
    if(pUsers != NULL){
        printf("%s\n",pUsers->username);
        displayAllRecur(pUsers->pNext);
    }
}

void freeAll(ptrUser * pFirst){
    ptrUser pDel;

    while(*pFirst != NULL){
     pDel = *pFirst;
     *pFirst = (*pFirst)->pNext;
     free(pDel);
    }
}

void displayAll(ptrUser pUsers){
    while(pUsers != NULL){
      printf("%s\n",pUsers->username);;
      pUsers = pUsers->pNext;
    }
}

void getUserInfo(userInfoType *pInfo){

    printf("Enter name\n");

    printf("First name:");
    fgets((*pInfo).name.first,21,stdin);
    printf("Middle name:");
    fgets(pInfo -> name.middle,21,stdin);
    printf("Last name:");
    fgets(pInfo -> name.last,21,stdin);

    printf("Enter address\n");
    fgets((*pInfo).address,51,stdin);

    (*pInfo).address[strlen((*pInfo).address)-1] = '\0';
    (*pInfo).name.first[strlen((*pInfo).name.first)-1] = '\0';
    pInfo -> name.middle[strlen(pInfo -> name.middle)-1] = '\0';
    pInfo -> name.last[strlen(pInfo -> name.last)-1] = '\0';

    printf("Name: %s, %s %s\n",(*pInfo).name.last, pInfo -> name.first, pInfo -> name.middle);
    printf("Adress: %s",pInfo->address);



}

void signUp(userType *pUser){
    char cDump;
    char code;
    int check=0;
    do{

       printf("Enter username:");
       scanf("%s",(*pUser).username); //(*pUser).username can be (pUser -> username)
       //scanf("%s%c", (*pUser).username,&cDump);

    } while (strlen((*pUser).username) < 3 || strlen((*pUser).username) > 15);

    printf("%s\n",(*pUser).username);

    do{

       printf("Enter password:");
       //scanf("%s",(*pUser).password);  //(*pUser).password can be (pUser -> password)
       scanf("%s%c", (*pUser).password,&cDump);

    } while (strlen((*pUser).password) < 6 || strlen((*pUser).password) > 15);

    printf("%s\n",(*pUser).password);

    getUserInfo(&(*pUser).info);
    //getUserInfo(pUser -> info);

    do{
       printf("Account Type:");
       printf("a - Administrator \n");
       printf("s - Shopper");
       scanf("%c",&(*pUser).type);

       if((*pUser).type== 's'){
          (*pUser).creditlimit = 5000.00;
          (*pUser).outstanding = 0.00;
          (*pUser).nItems = 0;
        }
       else if((*pUser).type == 'a'){
            while(code!="DLSU2017"){
                printf("Admin Code:");
                scanf("%s",&code);
                if(code == "DLSU2017")
                    check=1;
                if(check=1)
                     (*pUser).type = 'a';

            }
       }
       else printf("Invalid account type. Try Again");
   }while((*pUser).type != 'a' || (*pUser).type != 's');

int main(){
/*
    userType user;
    userType *pUsers = NULL;
    userType *pNew;
*/
    ptrUser pUsers = NULL;
    ptrUser pNew,/*pLast*/pRun,pTrail;
    string15 username;
    int opt,choice;
    int end = 1;
    char cDump;

    do{
        printf("Enter your option:");
        printf("1:Log In \n");
        printf("2:Sign Up \n");
        printf("3.Delete account\n");
        printf("4.Display all active accounts");
        printf("5.Close program \n");
        printf("Choice:");
        scanf("%d%c",&choice,&cDump);

        switch(opt){
            case 1:logIn(pUsers);
            case 2:pNew = malloc(sizeof(userType));
                   signUp(pUsers);
                   pNew -> pNext = NULL;
                   if (pUsers == NULL) //first user
                    pUsers = pNew; //pNew is first
                    else if (strcmp (pUsers->username, pNew->username)>0){ //connect as first node
                        pNew->pNext = pUsers;
                        pUsers = pNew;
                        }
                    else { //modifying middle of the list
                        pRun = pUsers ;
                        while (pRun != NULL && strcmp(pRun->username, pNew->username) < 0) {
                            pTrail = pRun;
                            pRun = pRun->pNext;
                            }
                        pTrail->pNext = pNew;
                        pNew->pNext=pRun;
                    }
                     break;
            case 3:printf ("What account do you want to delete?");
                   scanf ("%s", username);
                   deleteNode(&pUsers, username);
                   break;
            case 4:displayAllRecur(pUsers);
                   displayAll(pUsers);
                   break;
            case 5:freeAll(&pUsers);
                   end=0;
        }
    }while(end);

   return 0;
}


/*  do{

        pNew=malloc(sizeof(userType));
        signUp(pNew);
        (*pNew).pNext = NULL; //pNew->pNext = NULL

        if (pUsers == NULL) //if initially empty
            pUsers = pNew; //pNew is the first node
        else //connect nodes to the list
            pLast->pNext = pNew;

        pLast = pNew;

        printf("Another user?");
        scanf("%d%c",&opt,&cDump);

    }while(opt == 1);
*/