C－Print a histogram of the lengths of words in its input-蒲公英云

C－Print a histogram of the lengths of words in its input

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/*
 * Write a program to print a histogram of the lengths of words in ts input.
 *
 * Histogram_WordLen.c - by FreeMan
 */
#include <stdio.h>
#define MAXWORDLEN 16
#define IN          1
#define OUT         0
int main()
{
    int c = EOF;
    int i = 0;
    int j = 0;
    int lens[MAXWORDLEN + 1];
    int state = IN;
    int nc = 0;
    for (i = 0; i < +MAXWORDLEN; ++i)
    {
        lens[i] = 0;
    }
    while ((c = getchar()) != EOF)
    {
        ++nc;
        if (c == ' ' || c == '\t' || c == '\n')
        {
            state = OUT;
            --nc;
        }
        if (state == OUT)
        {
            if (nc != 0 && nc <= MAXWORDLEN)
            {
                ++lens[nc];
            }
            state = IN;
            nc = 0;
        }
    }
    for (i = 1; i <= MAXWORDLEN; ++i)
    {
        printf("|%2d|:", i);
        for (j = 0; j < lens[i]; ++j)
        {
            putchar('*');
        }
        putchar('\n');
    }
    return 0;
}
// Here's the output of the program when given its own source as input:
/*
| 1|:***************************************************
| 2|:****************************************
| 3|:******************
| 4|:********
| 5|:**********
| 6|:****
| 7|:******
| 8|:**
| 9|:***
|10|:**
|11|:****
|12|:*
|13|:*
|14|:*
|15|:*
|16|:
*/