find_geomcfg
s = find_geomcfg(gp, "scheme");
s = find_geomcfg(gp, "last");
s = find_geomcfg(gp, "first");
s = find_geomcfg(gp, "last");
scheme = find_geomcfg(gp, "scheme");
s = find_geomcfg(gp, "first");
s = find_geomcfg(gp, "last");
s = find_geomcfg(gp, "state");
static const char *find_geomcfg(struct ggeom *, const char *);
scheme = find_geomcfg(gp, "scheme");
s = find_geomcfg(gp, "last");
s = find_geomcfg(gp, "entries");