/* find1.c:    Extract lines from a file */

#include <stdio.h>
#include <string.h>

#define WIDTH 128

main(int argc, char *argv[])
{
    char line[WIDTH];
    char *search_str;

    if (argc == 1)
        return 1;   /* Search string required */
    search_str = argv[1];

    while (gets(line))
        if (strstr(line,search_str))
            puts(line);

    return 0;
}
