XBT_PUBLIC bool simcall_comm_test(simgrid::kernel::activity::ActivityImpl* comm);
XBT_ATTRIB_DEPRECATED_v330("Please use a CommImpl*[] for first parameter") XBT_PUBLIC
int simcall_comm_testany(simgrid::kernel::activity::ActivityImplPtr comms[], size_t count);
-XBT_PUBLIC int simcall_comm_testany(simgrid::kernel::activity::CommImpl* comms[], size_t count);
+XBT_PUBLIC ssize_t simcall_comm_testany(simgrid::kernel::activity::CommImpl* comms[], size_t count);
XBT_ATTRIB_DEPRECATED_v330("Please use an ActivityImpl* for first parameter") inline void simcall_comm_wait(
const simgrid::kernel::activity::ActivityImplPtr& comm, double timeout)