[size:14pt]cool[/size]

[size=14pt]cool[/size]

char encr(char input, char key) {
    char charset[]="abcdef";
    char coded;

    int inputindex = -1; /*Indeks -1 dmth qe s'dihet asgje fillimisht */
    int keyindex = -1;
    int codedindex = -1;
    int i = 0;

    for(i=0; i<=strlen(charset)-1; ++i)
            if(input == charset[i]) {
                   inputindex = i;
                   i = strlen(charset);
            }

    for(i=0; i<=strlen(charset)-1; ++i)
            if(key == charset[i]) {
                   keyindex = i;
                   i = strlen(charset);
            }

    if(keyindex == -1)
            keyindex = 4; /* Vlere arbitrare, asnjehere s'duhet te ngelemi pa key */

    if(inputindex == -1)  /* Kur karakteri s'eshte ne alfabet e leme paprekur */
            return input;

    codedindex = keyindex + inputindex;
    if(codedindex > (strlen(charset)-1) )
            codedindex = codedindex - strlen(charset);

    coded = charset[codedindex];
    return coded;
}