void kernel_flock(int fd, uint32_t share_mode, uint32_t access_mask);
DIR *sys_fdopendir(int fd);
int sys_mknod(const char *path, mode_t mode, SMB_DEV_T dev);
-int sys_waitpid(pid_t pid,int *status,int options);
char *sys_getwd(void);
void set_effective_capability(enum smbd_capability capability);
void drop_effective_capability(enum smbd_capability capability);