Конечные автоматы (с++). Помогите, пожалуйста!

#include <iostream>
#include <stdio.h>
using namespace std;
#define OK 1
#define ERROR 0
char alphabet[ ]="0123456789ABCDEFabcdefXxLlUu"; 
// 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, a, b, c, d, e, f, X, x, L, l U, u
int sigma[18 ][28 ]= {
{6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // q0=1
{2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 5, 5 }, // q1=2
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4 }, // q2=3
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // q3=4
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 6, 0, 0 }, // q4=5
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // q5=6
{8, 8, 8, 8, 8, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 13, 0, 0, 0, 0 }, // q6=7
{8, 8, 8, 8, 8, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 11, 11 }, //q7=8
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 10 }, //q8=9
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, //q9=10
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 12, 0, 0 },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, //q11=12
{14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,0,0,0,0,0,0},
//q12=13
{14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,0,0,17,17,15,15},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,16, 16, 0, 0}, //q14=15
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, //q15=16
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18, 18 }, //q16=17
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } //q17=18
};
 
int finish[ ]={1,2,4,5,7,8,9,10,11,12,13,14,15,16,17,0}; 
 
int index_litera (int litera)
{ for(int i=0; *(alphabet+i) ;i++)
if (litera == *(alphabet+i)) return i;
return -1; 
}
is_final (int row )
{ for (int i = 0; *( finish+i) ; i++) if (*( finish+i) == row ) return 1;
return 0;
}
 
char text[80];
 
int * MASSIVE(sigma, row,  column)
{ 
    if (row == 0) return NULL;
    else return (sigma+(row-1)*28+colomn);
}
 
int automat (FILE*fp)
{int row, c, column, id=0; 
*(text+id++)=0; row=0; 
while((c=fgetch(fp))!=EOF) {
if ((column = index_litera(c)) == ERROR) break;
row=*MASSIV(sigma, row, column);
*(text+id++)=c; *(text+id)=0;
if (row == ERROR) break;
}
 
if (is_final ( row )) 
return OK; else retutn ERROR;
}
 
int main(int argc, char* argv[ ])
{FILE*fp; char file_name[80];
REPEAT:
printf("Укажите имя файла с лексемы:");
if(scant("%s", file_name) == 0) return 0; 
if( fp = fopen (file_name,"rt") == NULL)
{ printf ("файл %s не открыто.\ n"); goto REPEAT;}
while (! eof (fp))
if ( automat(fp) == ERROR) printf (" Лексема правильная - %s", text);
else printf (''Лексема ошибочная -%s", text);
}