#include <stdio.h>
#define	MAXLINE	1000    /* maximum input line length */

int getline(char line[], int max);
int strindex(char source[], char searchfor[]);

char pattern[] = "ould";    /* pattern to search for */

/* find all lines matching pattern */
main()
{
	char line[MAXLINE];
	int found = 0;

	while (getline(line, MAXLINE) > 0)
		if (strindex(line, pattern) >= 0) {
			printf("%s", line);
			found++;
		}
	return found;
}