opal_pmix_base_module_deregister_fn_t 838 opal/mca/pmix/pmix.h typedef void (*opal_pmix_base_module_deregister_fn_t)(size_t evhandler, opal_pmix_base_module_deregister_fn_t 965 opal/mca/pmix/pmix.h opal_pmix_base_module_deregister_fn_t deregister_evhandler;