Word Count

WordNum.c

#include<stdio.h>
int ischar(char now) {
    return (now >= 'a' && now <= 'z' || now >= 'A' && now <= 'Z');
}
int main()
{
    char last = 0, now = 0;
    int count = 0;
    while ((now = getchar()) != EOF) {
        if (ischar(now) && !ischar(last))
            count++;
        last = now;
    }
    printf("%d\n", count);
}

thanks a lot ! www