(struct s_ring* node, size_t offset)
Remove an element from a ring
Documentation
The ring is relinked to exclude the element.
Return ptr is 0 if ring becomes empty.
- Throws:
- EMLINK null pointer found in ring link.
- Parameters:
- node - (IN) a pointer to ring part of the node
offset - (IN) the offset of the ring part in the node.
- Returns:
- 0 the ring is empty, or the next node in the ring.
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