在终端输入多行信息，找出包含“ould”的行，并打印改行

如：

Au,love could youand I with fate conspire

To grasp this sorryscheme of things entire,

Would not we shatterit to bitd – and then.

在终端输出上述的文字，输出

Au,love could youand I with fate conspire

Would not we shatter it to bitd – and then.

#include <stdio.h>


#define MAXLINE 1000

int getline(char ar[],int max)
{
	int ch;
	int i =0;
	while((ch = getchar())!=EOF && ch != '\n'&& i < max)
	{
		ar[i] = ch;
		i++;
	}
	if(ch == '\n')
		ar[i++] = ch;
	ar[i] = '\0';
	return i;
}

int compare(char line[],char str[])
{
	int i,j,k;
	for(i = 0;line[i] != '\0';i++)
	{							  
		for(j = i,k = 0;str[k]!= '\0' &&
			str[k] == line[j];j++,k++)	
		{
			;
		}
		if(k>0 && str[k] == '\0')
			return 1;
	}
	return 0;
}
int main()
{
	char line[MAXLINE];
	char str[] = "ould";

	while(getline(line,MAXLINE))
	{
		if(compare(line,str))
			printf("---%s\n",line);
	}
	return 0;
}