char *unix_clean_name(TALLOC_CTX *ctx, const char *s);
char *clean_name(TALLOC_CTX *ctx, const char *s);
ssize_t write_data_at_offset(int fd, const char *buffer, size_t N, off_t pos);
-int set_blocking(int fd, bool set);
NTSTATUS init_before_fork(void);
NTSTATUS reinit_after_fork(struct messaging_context *msg_ctx,
struct tevent_context *ev_ctx,