#include <stdio.h>

#define LISTMAX 3

void main(){
    char *name[LISTMAX], ch;
    int num, count, refNumber[LISTMAX];
    int i;
    int insert(char *name[],int refNumber[]);  
    count=insert(name,refNumber);
    printf("count = %d \n", count);
    for(i=0; i<count; i++) {
        printf("%30s  %d\n", name[i], refNumber[i]);
    }
    exit(0);
}

int insert(char *name[],int refNumber[]){ 
    int count;
    int i, temp3[4];
    char temp[30],choice[5];
    count=0;
    printf("\nDo you want to enter client data?\n");
    fflush(stdin);
    scanf("%5[^\n]", choice);
    for(i=0;choice[i]!='\0';i++){
        choice [i] = toupper(choice[i]);
    }
    while((!(strcmp(choice,"YES")==0) && !(strcmp(choice,"NO") == 0))){
        printf("\nInvalid option!\t \"yes\" or \"no\"\n");
        fflush(stdin);
        scanf("%5[^\n]", choice);
        for(i=0;choice[i]!='\0';i++){
            choice [i] = toupper(choice[i]);
        }
    }
    while(strcmp(choice, "YES") ==0){
        printf("\nEnter Client Name:\n");
        fflush(stdin);
        scanf("%30[^\n]", temp);
        name[count] = (char *) malloc (strlen(temp) + 1);
        strcpy (name[count], temp);

        printf("\nEnter 4 Digit Reference Number:\n");
        fflush(stdin);
        scanf("%4d",&temp3[count]);
        while(temp3[count]<1000||temp3[count]>9999){
            printf("\nInvalid Option!");
            printf("\nEnter 4 Digit Reference Number:\n");
            fflush(stdin);
            scanf("%d",&temp3[count]);
            }
        refNumber[count]=temp3[count];

        count++;
        if (count == LISTMAX) {
            printf("tables are full\n");
            return LISTMAX;
        }
        printf("\nDo you want to enter data for another client?\n");
        fflush(stdin);
        scanf("%[^\n]", choice);
        for(i=0;choice[i]!='\0';i++){
            choice [i] = toupper(choice[i]);
        }
        while((!(strcmp(choice,"YES")==0) && !(strcmp(choice,"NO") == 0))){
            printf("\nInvalid option!\t \"yes\" or \"no\"\n");
            fflush(stdin);
            scanf("%[^\n]", choice);
            for(i=0;choice[i]!='\0';i++){
                choice [i] = toupper(choice[i]);
            }
        }
    }
    return count;
}