gf_node_set_proto_eventin_handler  683 include/gpac/scenegraph_vrml.h GF_Err gf_node_set_proto_eventin_handler(GF_Node *node, u32 fieldIndex, void (*event_in_cbk)(GF_Node *pThis, struct _route *route) );
gf_node_set_proto_eventin_handler 1159 src/compositor/hardcoded_protos.c 		e = gf_node_set_proto_eventin_handler(node, 0, TestSensor_OnTrigger);