#include <stdio.h>
#include <ctype.h>
int main(int argc, char **argv)
{
int i = 0, count = 0;
char s[] = "Example abc def ?\n";
while(s[i])
{
if (isblank(s[i]))
count++;
i++;
}
printf("count = %d blank character", count);
return 0;
}
/*
run:
count = 11 blank character
*/