Tele Tec. - <Old>

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

char seq;
int seqN;
int tecla=1, numX;
int x;
int m;

int main()
{
    printf("Sequencia\n");

    while( seq != '#' )
    {
        seq = _getch();

        seq = toupper( seq );

        x = seq - 64;

        switch( x )
        {
        case 1:
        case 2:
        case 3: tecla = 2; numX = x; break;
        case 4:
        case 5:
        case 6: tecla = 3; numX = x - 3; break;
        case 7:
        case 8:
        case 9: tecla = 4; numX = x - 6; break;
        case 10:
        case 11:
        case 12: tecla = 5; numX = x - 9; break;
        case 13:
        case 14:
        case 15: tecla = 6; numX = x - 12; break;
        case 16:
        case 17:
        case 18:
        case 19: tecla = 7; numX = x - 15; break;
        case 20:
        case 21:
        case 22: tecla = 8; numX = x - 19; break;
        case 23:
        case 24:
        case 25:
        case 26: tecla = 9; numX = x - 22; break;
        }
    }
    return 0;
}