Thread: next wierd thing

i have the following

Code:

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

int myfunc( char *, char *, int , int , int );

int main()
{
    char text[] = "tomorrow never dies";
    char pword[] = "hel";
    char encrypted[sizeof text];

    int len = strlen( text );
    int plen = strlen( pword );

    for ( int j = 0, i = 0; text[i]; i++, j = (j + 1) % plen )
        encrypted[i] = text[i] ^ pword[j];
    encrypted[len] = '\0';

    int Guesses[ sizeof pword ][26] = { 0 };
    // Don't use numbers for letters, e.g., say 'A' instead of 65.
    for ( int StartIndex = 0; StartIndex < plen; StartIndex++ )
    {
        int GuessIndex = 0;

        for ( int i = 'a'; i <= 'z'; i++ )
        {
            char c = i;
            if ( myfunc( encrypted, &c, StartIndex, len, plen ) )
            {
                Guesses[StartIndex][GuessIndex] = i;
                GuessIndex++;
                //c = 'a';
            }
        }
        //putchar('\n');
    }
if ( myfunc(encrypted, pword, 0, len, plen) )
        printf("Password found!!\n ");

    return 0;
}

int myfunc( char *Encrypted, char *c, int StartIndex, int len, int plen )
{
    int Letter = 1;

    for ( int i = 0; i < strlen( c ); i++)
        for ( int j = StartIndex; j < len; j += plen )
        {
            int x = Encrypted[j] ^ c[i];
            if ( ! ( ( x >= 'A' && x <= 'Z' ) || ( x >= 'a' && x <= 'z' ) || (  x >= ' ' && x <= '@' ) ) )
            {
                Letter = 0;
                break;
            }
        }
    return Letter;
}

however i find the first possible letter of the password with c being one character long then for some reason it remembers the first character found and appends it to all the others so watching c in debug mode i get c= a, b, c..... ,h , ih, jh, kh etc etc.

why is it remembering the first letter found also if i comment out the guess's stuff c becomes a random bunch of letters its not even i

the idea is once i have a list of possible passwords i can test them by making sure all the letters work together as they did singularly