Minor improvements for the BSD compatibility library:

* Added {get|set|end}usershell() functions.
* Define MAXLOGNAME, and L_SET, L_INCR, and L_XTND.
* The pidfile stuff in libutil.h is now included, too.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23827 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/compatibility/bsd/sys/param.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006, Haiku, Inc. All Rights Reserved.
+ * Copyright 2006-2008, Haiku, Inc. All Rights Reserved.
  * Distributed under the terms of the MIT License.
  */
 #ifndef _BSD_SYS_PARAM_H_
@@ -27,4 +27,8 @@
 #	define howmany(x, y) (((x) + ((y) - 1)) / (y))
 #endif
 
+#ifndef MAXLOGNAME
+#	define MAXLOGNAME 32
+#endif
+
 #endif	/* _BSD_SYS_PARAM_H_ */