extern const char *lbasename PARAMS ((const char *));
+/* A well-defined realpath () that is always compiled in. */
+
+extern char *lrealpath PARAMS ((const char *));
+
/* Concatenate an arbitrary number of strings. You must pass NULL as
the last argument of this function, to terminate the list of
strings. Allocates memory using xmalloc. */
extern PTR xmemdup PARAMS ((const PTR, size_t, size_t)) ATTRIBUTE_MALLOC;
+/* Physical memory routines. Return values are in BYTES. */
+extern double physmem_total PARAMS ((void));
+extern double physmem_available PARAMS ((void));
+
/* hex character manipulation routines */
#define _hex_array_size 256
#define _hex_bad 99
-extern const char _hex_value[_hex_array_size];
+extern const unsigned char _hex_value[_hex_array_size];
extern void hex_init PARAMS ((void));
#define hex_p(c) (hex_value (c) != _hex_bad)
/* If you change this, note well: Some code relies on side effects in
the argument being performed exactly once. */
-#define hex_value(c) (_hex_value[(unsigned char) (c)])
+#define hex_value(c) ((unsigned int) _hex_value[(unsigned char) (c)])
/* Definitions used by the pexecute routine. */