XBT_PUBLIC(void) coll_help(const char *category, s_mpi_coll_description_t * table);
XBT_PUBLIC(int) find_coll_description(s_mpi_coll_description_t * table, char *name, const char *desc);
XBT_PUBLIC(void) coll_help(const char *category, s_mpi_coll_description_t * table);
XBT_PUBLIC(int) find_coll_description(s_mpi_coll_description_t * table, char *name, const char *desc);