diff options
| -rw-r--r-- | usr.bin/tsort/tsort.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/usr.bin/tsort/tsort.c b/usr.bin/tsort/tsort.c index 133614c..efcb910 100644 --- a/usr.bin/tsort/tsort.c +++ b/usr.bin/tsort/tsort.c @@ -41,7 +41,7 @@ static char copyright[] = #endif /* not lint */ #ifndef lint -static char sccsid[] = "@(#)tsort.c 8.2 (Berkeley) 3/30/94"; +static char sccsid[] = "@(#)tsort.c 8.3 (Berkeley) 5/4/95"; #endif /* not lint */ #include <sys/types.h> @@ -54,6 +54,7 @@ static char sccsid[] = "@(#)tsort.c 8.2 (Berkeley) 3/30/94"; #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <unistd.h> /* * Topological sort. Input is a list of pairs of strings separated by |
