/* Write a program that prints its input one word per line. */
#include <stdio.h>
#define IN 1 /* inside a word */
#define OUT 0 /* outside a word */
/* print input one word per line */
main()
{
int c, state = OUT;
while((c = getchar()) != EOF)
{
if(c == ' ' || c == '\n' || c == '\t')
{
if(state == IN)
{
putchar('\n'); /* finish the word */
state = OUT;
}
else if(state == OUT)
{
state = IN; /* beginning of word */
putchar(c);
}
else /* inside a word */
{
putchar(c);
}
}
}
}
版权声明：本文为博主原创文章，未经博主允许不得转载。
C - The C Answer (2nd Edition) - Exercise 1-12
原文地址：http://blog.csdn.net/troubleshooter/article/details/47053329
