clGetPlatformIDs   34 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-opencl.c   clret = clGetPlatformIDs(0, NULL, &nr_platforms);
clGetPlatformIDs   40 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-opencl.c   clret = clGetPlatformIDs(nr_platforms, platform_ids, &nr_platforms);