lab8-3

// vrakja Segmentation fault greska

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

int palindrom(char *zbor) {

    int i = 0;
    int dolz = strlen(zbor);

    for (i; i <= dolz/2; i++) {
        if (zbor[i] != zbor[dolz-i-1]) {
            return 0;
        }
    }

    return 1;

}

int main(int argc, char *argv[]) {

    char zbor[21];
    FILE *s;
    int i;
    char c;

    s = fopen(argv[1], "r");

    if (s == NULL) {
        printf("Greska so datotekata.");
    } else {

        while (c = fgetc(s) != EOF) {

            if (isalpha(c)) {

                zbor[i] = c;
                i++;

            } else {

                zbor[i] = '\0';
                if (i > 1) {
                    if (palindrom(zbor) == 1) {
                        printf("%s\n", zbor);
                    }
                }
                i = 0;

            }

        }

    }

    fclose(s);

}