NAME

       mtree_parent - return node number of parent node

LIBRARY

       Librecast library (liblibrecast, -llibrecast)

SYNOPSIS

       #include <librecast/mtree.h>

       size_t mtree_parent(size_t node);

       Compile and link with -llibrecast.

DESCRIPTION

       The mtree_nnode function returns the node number of the parent of node.

       This calculation is independent of the tree, and is implemented as a macro.

       Nodes are numbered from 0 = root.

RETURN VALUE

       mtree_parent() returns the number of the parent node.

ERRORS

       None.

SEE ALSO

       mtree_init(3), mtree_free(3), mtree_build(3), mtree_child(3)