N.C. Gen. Stat. § 1-430: Defendant in jail, sheriff may take bail.

If a person for want of bail is lawfully committed to jail, at any time before final judgment, the sheriff, or other officer having him in custody, may take bail and discharge him; and the bail bond shall be regarded in every respect as other bail bonds, and shall be returned and sued on in like manner; and the officer taking it shall make special return thereof, with the bond, at the first court which is held after it is taken. (R.C., c. 11; s. 8; Code, s. 318; Rev., s. 748; C.S., s. 788.)