palindromes_old.c

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

void drehen(char wort[100], int laenge)
{
    char trow[100];
    char *head;
    char *back;
    int i,j=0;
    int counter = 0;
    int test;
    for (i = laenge; 0<=i; i--)
    {
        trow[j] = wort[i];
        j = j + 1;
    }
    for (i = 0; i <= laenge; i++)
    {
        putchar(trow[i]);
    }
    printf("\n\n");
    test = i / 2;
    head = &wort[0];
    back = &trow[0];
    back = back + 1;
    i = 0;
    while (i!=test)
    {
        if (*head == *back)
            counter = counter + 1;
        head = head + 1;
        back = back + 1;
        i=i + 1;
    }
    counter = (counter *2)+1;
    if (counter >= laenge)
        printf("Das Wort ist ein Palidrom!\n");
    else
        printf("Das Wort ist kein Palidrom!\n");
}
void convertieren(char *pchar)
{
    while (*pchar != '\n')
    {
        if (*pchar >= 65 && *pchar<=90)
             *pchar = *pchar + 32;
        pchar = pchar + 1;
    }
}
int main(void)
{
    char *pchar;
    int i = 0;
    FILE*datei;
    char wort[100];
    fopen_s(&datei,"Text.txt","r");
    fread(wort, sizeof(double), 100, datei);
    fgets(wort, 100, datei);
    fclose(datei);
    while (wort[i] != EOF)
    {
        putchar(wort[i]);
        i = i + 1;
    }
    pchar = wort;
    convertieren(pchar);
    drehen(wort, i);

    printf("\n");
    system("pause");
    return EXIT_SUCCESS;
}