All paths moved to path.h.

Cleanup in curses.h: removed reg definition.
All include files reformatted for 4-space indent.

include/stdlib.h

@@ -1,6 +1,6 @@
 /*-
  * Copyright (c) 1990, 1993
- *	The Regents of the University of California.  All rights reserved.
+ *      The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -12,8 +12,8 @@
  *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
@@ -30,7 +30,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)stdlib.h	8.3.2 (2.11BSD) 1996/1/12
+ *      @(#)stdlib.h    8.3.2 (2.11BSD) 1996/1/12
  *
  * Adapted from the 4.4-Lite CD.  The odds of a ANSI C compiler for 2.11BSD
  * being slipped under the door are not distinguishable from 0 - so the
@@ -44,61 +44,61 @@
 #define _STDLIB_H_
 
 #ifndef NULL
-#define	NULL	0
+#define NULL            0
 #endif
 
-#define	EXIT_FAILURE	1
-#define	EXIT_SUCCESS	0
+#define EXIT_FAILURE    1
+#define EXIT_SUCCESS    0
 
-#define	RAND_MAX	0x7fff
+#define RAND_MAX        0x7fff
 
 #ifndef _SIZE_T
 #define _SIZE_T
 typedef unsigned size_t;
 #endif
 
-void	abort (void);
-int	abs (int);
-int	atexit (void (*)(void));
-int	atoi (const char *);
-long	atol (const char *);
-void	*calloc (size_t, size_t);
-void	exit (int);
-void	free (void *);
-char	*getenv (const char *);
+void    abort (void);
+int     abs (int);
+int     atexit (void (*)(void));
+int     atoi (const char *);
+long    atol (const char *);
+void    *calloc (size_t, size_t);
+void    exit (int);
+void    free (void *);
+char    *getenv (const char *);
 long    labs (long);
-void	*malloc (size_t);
-char	*mktemp (char *);
+void    *malloc (size_t);
+char    *mktemp (char *);
 int     mkstemp (char *);
-void	qsort (void *, size_t, size_t, int (*)(const void *, const void *));
-int	rand (void);
-void	*realloc (void*, size_t);
-void	srand (unsigned);
-long	strtol (const char *, char **, int);
+void    qsort (void *, size_t, size_t, int (*)(const void *, const void *));
+int     rand (void);
+void    *realloc (void*, size_t);
+void    srand (unsigned);
+long    strtol (const char *, char **, int);
 unsigned long strtoul (const char *, char **, int);
-int	system (const char *);
+int     system (const char *);
 
 int     putenv (char *string);
 int     setenv (const char *name, const char *value, int overwrite);
 int     unsetenv (const char *name);
-char	*_findenv (const char *name, int *offset);
+char    *_findenv (const char *name, int *offset);
 
-void	*alloca (size_t size);
+void    *alloca (size_t size);
 
-int	daemon (int, int);
-char	*devname (int dev, int type);
-int	getloadavg (unsigned loadavg[], int nelem);
+int     daemon (int, int);
+char    *devname (int dev, int type);
+int     getloadavg (unsigned loadavg[], int nelem);
 
-extern char *suboptarg;			/* getsubopt(3) external variable */
-int	getsubopt (char **, char **, char **);
+extern char *suboptarg;                 /* getsubopt(3) external variable */
+int     getsubopt (char **, char **, char **);
 
-long	random (void);
-char	*setstate (char *);
-void	srandom (unsigned);
+long    random (void);
+char    *setstate (char *);
+void    srandom (unsigned);
 
 #ifndef __SMALLER_C__
-double	atof (const char *);
-double	strtod (const char *, char **);
+double  atof (const char *);
+double  strtod (const char *, char **);
 char    *ecvt (double, int, int *, int *);
 char    *fcvt (double, int, int *, int *);
 char    *gcvt (double, int, char *);