void* f_ndring_unlink

(struct s_ndring* 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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