gtk-tree-path-compare (path1 path2)

path1 -- a gtk-tree-path object
path2 -- a gtk-tree-path object to compare with

The relative positions of path1 and path2.

Compares two paths. If path1 appears before path2 in a tree, then -1 is returned. If path2 appears before path1, then 1 is returned. If the two nodes are equal, then 0 is returned.