test7_10.txt

来自「嵌入式c源码」· 文本 代码 · 共 37 行

#include <stdio.h>

#define WORD_BEGIN 1
#define END_WORD 0
#define OUT 1
#define IN 0
int main(void)
{
	int c, characters, lines, words, state;

	state=OUT;
	characters=words=lines=0;

	while((c=getchar())!=EOF)
	{
		characters++;
		switch(c)
		{
			case'\n': lines++;
				state=OUT;
				break;
			case' ': state=OUT;
				break;
			case'\t': state=OUT;
				break;
			default:
				if(state==OUT)
				{
					state=IN;
					words++;
				}
			break;
		}
	}
	printf("%d %d %d\n", characters, words, lines);
}