static char *sccsid = "@(#)gets.c 4.2 (Berkeley) 6/19/81";
#include <stdio.h>
/*
* gets [ default ]
*
* read a line from standard input, echoing to std output
* if an error occurs just return "default"
* if no default and error exit abnormally
*/
main(argc, argv)
int argc;
char *argv[];
{
char buf[BUFSIZ];
setbuf(stdin, NULL);
if (gets(buf) == NULL || buf[0] < ' ') {
if (argc == 1)
exit(1);
strcpy(buf,argv[1]);
}
printf("%s\n", buf);
exit(0);
}