Added a "symlink" command that can create symlinks from the shell (like "ln -s").

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@561 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/apps/symlink/Jamfile

@@ -0,0 +1,3 @@
+SubDir OBOS_TOP src kernel apps symlink ;
+
+KernelObjects <$(SOURCE_GRIST)>main.c : -fpic -Wno-unused ;

src/kernel/apps/symlink/main.c

@@ -0,0 +1,22 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+
+int
+main(int argc, char **argv)
+{
+	if (argc < 3) {
+		fprintf(stderr, "usage: symlink <target> <link-name>\n");
+		return -1;
+	}
+	if (symlink(argv[2], argv[1]) < 0) {
+		fprintf(stderr, "symlink failed: %s\n", strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+