学习C：打印输入中单词长度的水平方向直方图

#include <stdio.h>
#define IN 1
#define OUT 0
#define MAXWL 16

main()
{ /*打印输入单词长度的水平直方图*/
int c,i,state,n,k;
n = 0;//统计单词长度
int nwl[MAXWL];
state = OUT;
for(i = 0;i < MAXWL;i++)
nwl[i] = 0;

while((c = getchar())!= EOF)
{
if(c == ' '||c == '\n'||c == '\t')
state = OUT;

else if(state == OUT)
{
++nwl[n];
n = 0;
state = IN;

}
else
{
n++;
}
}

for(i=1;i<MAXWL;i++)
{
printf("\n");
for(k=0;k<nwl[i];k++)
printf("*");

}
}