zad1

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

int STATE = 0;
enum states { ST0, ST1, ST2, ST3, ST4, ST5, ERROR};


int statemachine()
{
    int c;
    int row, col;

    while(c != EOF)
    {

        switch(STATE)
        {
            case ST0:
                c = getc(stdin);
                if(c == '.')
                {
                    STATE = ST1;
                }
                else if(isupper(c))
                {
                    STATE = ST2;
                }
                else if(islower(c))
                {
                    STATE = ST4;
                }
                if(islower(c) || isupper(c) || c == '.')
                {
                    printf("%c", c);
                }

                break;

            case ST1:
                printf("\t_DOT\n");
                //ungetc(c, stdin);
                STATE = ST0;
                break;

            case ST2:
                c = getc(stdin);
                if(!islower(c))
                {
                    STATE = ST3;
                }
                if(islower(c) || isupper(c))
                {
                    printf("%c", c);
                }
                break;

            case ST3:
                printf("\t_CAPITAL_WORD (%d,%d)\n ", row, col);
                ungetc(c, stdin);
                STATE = ST0;
                break;

            case ST4:
                c = getc(stdin);
                if(!islower(c))
                {
                    STATE = ST5;
                }
                if(islower(c) || isupper(c))
                {
                    printf("%c", c);
                }
                break;

            case ST5:
                printf("\t_WORD\n");
                ungetc(c, stdin);
                STATE = ST0;
                break;

            default:
                STATE = ERROR;
                printf("GRESKA!");

        }

    }

    return 0;
}

int main()
{

    statemachine();

    //printf("Znak je: %c\n", c);

    return 0;
}