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#ifndef __LIBC_LIBC_H
#define __LIBC_LIBC_H
#include <__stdio.h>
#include <stdatomic.h>
#include <stddef.h>
#include <sys/cdefs.h>
#define weak_reference(old, new) extern __typeof(old)((new)) __attribute__((__weak__, __alias__(#old)))
struct libc {
size_t *auxv;
struct {
void *base;
size_t size;
size_t align;
} tls;
enum {
LIBC_ENVP_TOUCHED = 1 << 0,
} flags;
struct {
volatile atomic_flag abort;
volatile atomic_flag malloc;
volatile atomic_flag environ;
} lock;
struct __FILE stdin;
struct __FILE stdout;
struct __FILE stderr;
};
extern struct libc __libc;
#define panic(__errmsg) __libc_panic(__FILE__ ":" __STRING(__LINE__) ": ", __PRETTY_FUNCTION__, ": " __STRING(__errmsg))
#define panic_if(__cond, __errmsg) \
do { \
if (__predict_false(__cond)) \
panic(__errmsg); \
} while (0)
__dead void __libc_panic(const char *, const char *, const char *);
#endif
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