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BSD 4_3 release
[unix-history]
/
usr
/
src
/
lib
/
libc
/
gen
/
isatty.c
diff --git
a/usr/src/lib/libc/gen/isatty.c
b/usr/src/lib/libc/gen/isatty.c
index
d5dfbaa
..
42eb42e
100644
(file)
--- a/
usr/src/lib/libc/gen/isatty.c
+++ b/
usr/src/lib/libc/gen/isatty.c
@@
-1,4
+1,7
@@
-/* @(#)isatty.c 4.1 (Berkeley) 12/21/80 */
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)isatty.c 5.2 (Berkeley) 3/9/86";
+#endif LIBC_SCCS and not lint
+
/*
* Returns 1 iff file is a tty
*/
/*
* Returns 1 iff file is a tty
*/
@@
-9,7
+12,7
@@
isatty(f)
{
struct sgttyb ttyb;
{
struct sgttyb ttyb;
- if (
gtty(f
, &ttyb) < 0)
+ if (
ioctl(f, TIOCGETP
, &ttyb) < 0)
return(0);
return(1);
}
return(0);
return(1);
}