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4. GML format

4.1. igraph_read_graph_gml — Read a graph in GML format.
4.2. igraph_write_graph_gml — Write the graph to a stream in GML format
<< 3.2. igraph_write_graph_graphml — Writes the graph to a file in GraphML format 4.1. igraph_read_graph_gml — Read a graph in GML format. >>