pub const pthread_mutex_t = extern struct {
    size: [__SIZEOF_PTHREAD_MUTEX_T]u8 align(@alignOf(usize)) = [_]u8{0} ** __SIZEOF_PTHREAD_MUTEX_T,
};
pub const pthread_cond_t = extern struct {
    size: [__SIZEOF_PTHREAD_COND_T]u8 align(@alignOf(usize)) = [_]u8{0} ** __SIZEOF_PTHREAD_COND_T,
};
pub const pthread_rwlock_t = extern struct {
    size: [56]u8 align(@alignOf(usize)) = [_]u8{0} ** 56,
};
const __SIZEOF_PTHREAD_COND_T = 48;
const __SIZEOF_PTHREAD_MUTEX_T = 40;