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

int main(void)
{
    int c, writeorread;
    register int i = 0;
    puts("Get phone number or add phone number? (r/w)");
    while ((c = getchar()) != '\n')
    {
            writeorread = c;
    }
    if (writeorread == 'w')
    {
        int stringmem = 1;
        char *stringname;
        int phone[10];
        stringname = (char *) malloc(sizeof(char) * stringmem);
        printf("name: ");
        while ((c = getchar()) != '\n')
        {
            stringname[stringmem - 1] = c;
            stringname = (char *) realloc(stringname, sizeof(char) * stringmem);
            ++stringmem;
        }
        i = 0;
        printf("number: ");
        while ((c = getchar()) != '\n')
        {
            phone[i] = (c);
            ++i;
        }
        printf("\ndone!\n");
        FILE *numdata = fopen("/root/Desktop/database.text", "a");
        fprintf(numdata, "%s,", stringname);
        for (i = 0; i < 10; ++i)
        {
            fprintf(numdata, "%c", phone[i]);
        }
        fprintf(numdata, "\n");
        free(stringname);
        fclose(numdata);
    }
    else if (writeorread == 'r')
    {
        int c, stringmem;
        stringmem = 1;
        char *stringname;
        stringname = (char *) malloc(sizeof(char) * stringmem);
        printf("name: ");
        while ((c = getchar()) != '\n')
        {
            stringname[stringmem - 1] = c;
            stringname = (char *) realloc(stringname, sizeof(char) * stringmem);
            ++stringmem;
        }
        FILE *numdata = fopen("/root/Desktop/database.text", "r");
        char realname[100];
        int booleantest;
        while (fgets(realname, 100, numdata) != NULL)
        {
            booleantest = 0;
            if (strncmp(realname, stringname, 4) == 0)
            {
                booleantest = 1;
            }
            if (booleantest = 1)
            {
                break;
            }
        }
        printf("%s\n", realname);
    }
    else
    {
        puts("REQUIRED:\n(r) TO READ FROM DATABASE\n(w) TO APPEND DATABASE");
    }
    return 0;
}