ex1.12_s

/* ex 1.12
print the input one word per line */

#include <stdio.h>

#define IN 1
#define OUT 0

int main(){
    
    int c, state;
    state = OUT;
    
    while ((c = getchar()) != EOF){
        
        if ( c == ' ' | c == '\t' | c == '\n'){
            
            if(state == IN){
                
                putchar('\n');
                state = OUT;   
            }
            
            else if(state == IN){
                
                putchar(c);
                state = IN;
            }
            
            else
                putchar(c);
        }
    }
}