Counting words in a string - c programming

Question

I need to write a function that will count words in a string. For the purpose of this assignment, a \"word\" is defined to be a sequence of non-null, non-whitespace characte

Answer 1

#include  // isspace()

int
nwords(const char *s) {
  if (!s) return -1;

  int n = 0;
  int inword = 0;
  for ( ; *s; ++s) {
    if (!isspace(*s)) {
      if (inword == 0) { // begin word
        inword = 1;
        ++n;
      }
    }
    else if (inword) { // end word
      inword = 0;
    }
  }
  return n;
}