[unix-history] / usr / src / old / gets / gets.c

static char *sccsid = "@(#)gets.c	4.2 (Berkeley) %G%";
#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);
}
Commit	Line	Data
cc5f3fdf	1	static char *sccsid = "@(#)gets.c 4.2 (Berkeley) %G%";
1173af4e BJ	2	#include <stdio.h>
	3
	4	/*
	5	* gets [ default ]
	6	*
	7	* read a line from standard input, echoing to std output
	8	* if an error occurs just return "default"
	9	* if no default and error exit abnormally
	10	*/
	11	main(argc, argv)
	12	int argc;
	13	char *argv[];
	14	{
	15	char buf[BUFSIZ];
	16
cc5f3fdf	17	setbuf(stdin, NULL);
1173af4e BJ	18	if (gets(buf) == NULL \|\| buf[0] < ' ') {
	19	if (argc == 1)
	20	exit(1);
	21	strcpy(buf,argv[1]);
	22	}
	23	printf("%s\n", buf);
	24	exit(0);
	25	}