void __lock(volatile int *);
void __lockfile(FILE *);
#define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1))
void __lock(volatile int *);
void __lockfile(FILE *);
#define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1))
int __rsyscall(int, long, long, long, long, long, long);
int __rsyscall(int, long, long, long, long, long, long);