[hackers] [sbase] Add arg.h-handling to sync(1) and unlink(1) || FRIGN

[git]

commit 27ab2710faaecc110bd3834fcf45e9c5f29b17af
Author: FRIGN <d...@frign.de>
Date:   Sun Feb 8 22:13:50 2015 +0100

    Add arg.h-handling to sync(1) and unlink(1)

diff --git a/sync.c b/sync.c
index b3a3cb1..a766fbc 100644
--- a/sync.c
+++ b/sync.c
@@ -12,7 +12,12 @@ usage(void)
 int
 main(int argc, char *argv[])
 {
-       if (argc != 1)
+       ARGBEGIN {
+       default:
+               usage();
+       } ARGEND;
+
+       if (argc)
                usage();
        sync();
 
diff --git a/unlink.c b/unlink.c
index f2a1fff..077959c 100644
--- a/unlink.c
+++ b/unlink.c
@@ -12,11 +12,16 @@ usage(void)
 int
 main(int argc, char *argv[])
 {
-       if (argc != 2)
+       ARGBEGIN {
+       default:
                usage();
+       } ARGEND;
 
-       if (unlink(argv[1]) < 0)
-               eprintf("unlink: '%s':", argv[1]);
+       if (argc != 1)
+               usage();
+
+       if (unlink(argv[0]) < 0)
+               eprintf("unlink: '%s':", argv[0]);
 
        return 0;
 }