7_8.c

c_tan:谭浩强编著c语言程序设计一书的c程序源文件

# include <stdio.h>

main()
{
	char string[81];
	int i,num=0,word=0;
	char c;
	gets(string);
	printf("%s",string\n);

	for (i=0,c=string[i];c!='\0';i++,c=string[i])
		{
		if(c==' ') word = 0;
		else if(word == 0) {
			word=1;
			num++;

		}
	}

	printf("there are %d words in the line.\n",num);
}