gistfile1.c

    for( i = 0; i < MAX_STRING_LEN; i++ ) {
         bk = 0;
        in[0] = 0;
        for( n =  i; n >= 0; n-- ) {
            in[n] = 1;
        }
        len = strlen(in);
        for( j = len; j >= 0; j-- ) {
            for( n = 1;  n < 255; n++ ) {
                in[j] = n;
                strncpy(out, in, len);
//                encode(in, out, len, 76);
                hash = hash_func(in, len);
                printf("0x%llx %s\r\n", hash, out);
                fprintf(fp, "0x%llx %s\r\n", hash, out);
            }
            for( k = len; k >= 0; k-- ) {
                if( in[k] == 255 ) {
                    in[k] = 1;
                    if( k > 0 ) {
                        l = k - 1;
                        in[l] = in[l] + 1;
                        j = len + 1;
                    } else {
                        bk = 1;
                        break;
                    }
                }
            }
            if(bk) break;
        }
    }