static void *alloc_ptr, *alloc_end, *alloc_last_block;
+/* Declarations of global functions. */
+extern void weak_function free (void *ptr);
+extern void * weak_function realloc (void *ptr, size_t n);
+extern long int weak_function __strtol_internal (const char *nptr,
+ char **endptr,
+ int base, int group);
+extern long int weak_function strtol (const char *nptr, char **endptr,
+ int base);
+extern unsigned long int weak_function __strtoul_internal
+(const char *nptr, char **endptr, int base, int group);
+extern unsigned long int weak_function strtoul (const char *nptr,
+ char **endptr, int base);
+
+
void * weak_function
malloc (size_t n)
{