#include <stdlib.h>
#include <stdio.h>
-#define libc __libc
-extern struct libc {
+struct __libc {
void (*lock)(volatile int *);
void (*cancelpt)(int);
int (*atexit)(void (*)(void));
volatile int threads_minus_1;
int (*rsyscall)(int, long, long, long, long, long, long);
void (**tsd_keys)(void *);
-} libc;
+ void (*fork_handler)(int);
+};
+
+
+#if 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__)
+extern struct __libc __libc __attribute__((visibility("hidden")));
+#define libc __libc
+
+#elif !defined(__PIC__)
+extern struct __libc __libc;
+#define libc __libc
+
+#else
+#define USE_LIBC_ACCESSOR
+extern struct __libc *__libc_loc(void) __attribute__((const));
+#define libc (*__libc_loc())
+
+#endif
/* Designed to avoid any overhead in non-threaded processes */