problem 2

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

/* Paragraph  info:
 * Write  a  program  that  reads  all  input  and  prints  for  each  paragraph
 * the  number  of  words  and  lines.  A  paragraph  is  a  portion  of  text
 * that  does  not  start with  a  newline,  ends  with  a  single  newline  or
 * EOF  and  is  separated  by  at  least  one newline  from  other  paragraphs.
 */

void paragraphInfo(){
  char a, b;
  unsigned wordCount = 0, lineCount = 0;
  int spaceBeforeWord = 0;
  a = getchar();
  while((b = getchar()) != EOF){
    if(isspace(a) && !isspace(b)){
      spaceBeforeWord = 1;
    }
    if(isspace(b) && !isspace(a) && spaceBeforeWord){
      wordCount++;
    }
    if(b == '\n' && a != '\n'){
      lineCount++;
    }
    if(b == '\n' && a == '\n'){
      printf("words: %u, lines: %u\n", wordCount, lineCount);
      wordCount = 0;
      lineCount = 0;
    }
    a = b;
  }
}

int main(){
  paragraphInfo();
  return 0;
}