sem2-problem3

#include <stdio.h>

#define STR_LEN 100

/*
    Count specific characters in string.

    whatToCount:
    1 - spaces
    2 - new lines
    3 - tabs
*/
int countChars(char *s, int whatToCount) {
    int i, count = 0;
    for (i = 0; s[i] != '\0'; i++) {
        if (whatToCount == 1 && s[i] == ' ')
            count++;
        else if (whatToCount == 2 && s[i] == '\n')
            count++;
        else if (whatToCount == 3 && s[i] == '\t')
            count++;
    }
    return count;
}

int main() {
    char s[STR_LEN], c;
    int i = 0;
    while ((c = getchar()) != EOF)
        s[i++] = c;
    s[i] = '\0';
    printf("%d spaces, %d new lines, %d tabs\n",
            countChars(s, 1),
            countChars(s, 2),
            countChars(s, 3));

    return 0;
}