#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <conio.h>

//define what i need
#define MAXNUM 2

//define struct
typedef struct stud{
    char name[20];
    int age[10];
    int nrm[10];
    char adrs[30];
} L_stud;

//other global variables
L_stud list[MAXNUM];


//function prototypes
void read();
char *check_name(char name[20])
{
    char *new_name = (char*) malloc(sizeof(char)*20);
    new_name[0] = '\0';
    int i = 0;
    printf("%d\n", strlen(name));

    for( i = 0; i < strlen(name); i++)
    {
        //printf("test");
        if(isalpha(name[i]))
        {
            strcat(new_name, 'a');
        }
        printf("%s\n",new_name);
    }
    printf("exit");
    return new_name;
}


int main()
{
    char name[] = "Geor4gi/0";
   // check_name(name);
   printf("before");
    char* s = check_name(name);
    printf("%s",s);
    printf("after");


    int choice = -1;

    printf("Make a choice from below:\n 1.Read \n 2. \n 3. \n 4. \n 5.Exit\n ");
    scanf("%d", &choice);

    while(choice)
{
        switch(choice){
        case 1:
            read();
            break;
        case 2:

            break;
        case 3:

            break;
        case 4:

            break;
        case 5:
            exit(0);
            break;
        default:
            printf("Error! Wrong choice.\n");
    }
    printf("Make a choice from below:\n 1. \n 2. \n 3. \n 4. \n 5.Exit\n ");
    scanf("%d", &choice);
}



}


void read(){
    FILE *fp = fopen("data.in", "r");

    int i;
    char single_line[50];
    char sep[2] = ",";
    char *token;

    while (!feof(fp))
    {
        fgets(single_line, 50, fp);

        token = strtok(single_line, sep);

        while (token != NULL)
        {
            printf("%s\n", token);
            token = strtok(NULL, sep);
        }



    }

    fclose(fp);
}