k&r exercise 1-13 attempt

gistfile1.c

#include <stdio.h>                                                                              
                                                                                                
#define OUT 1 /* outside a word */                                                              
#define IN  0 /* inside a word */                                                               
#define MAX 30 /* max words */                                                                  
                                                                                                
main()                                                                                          
{                                                                                               
    int c, i, j, state, nw;                                                                     
    int words[MAX];                                                                              
    int wlen;                                                                                   
                                                                                                
    nw = 0;                                                                                     
    for (i = 0; i < 30; ++i)                                                                    
        words[i] = 0;                                                                           
    state = OUT;                                                                                
    while ((c = getchar()) != EOF) {                                                            
        if ( c == ' ' || c == '\t' || c == '\n' ) {                                             
            state = OUT;                                                                        
        }                                                                                       
        if (state == OUT) {                                                                      
            state = IN;                                                                         
            ++nw;                                                                               
        }                                                                                       
        if (state == IN)                                                                        
            ++words[nw];                                                                        
    }                                                                                           
    for (i = 0; i < 30; ++i) {                                                                  
        j = 0;                                                                                  
        wlen = 0;                                                                               
        printf("word %d = ", i);                                                                
        wlen = words[i];                                                                        
            for (j = 0; j <= wlen; ++j) {                                                       
                printf("#");                                                                    
                    if (j == wlen)                                                                  
                        printf("\n");                                                               
        }                                                                                       
    }                                                                                           
}