MPI_Info_create(info, ierror)
integer info, ierror
　　创建一个新的INFO对象


MPI_Info_delete(info, key, ierror)
integer info, ierror
integer info, ierror
character*(*) key
　　从INFO对象中删除(关键字，值)元组


MPI_Info_dup(info, newinfo, ierror)
integer info, newinfo, ierror
　　返回INFO对象的副本


MPI_Info_free(info, ierror)
integer info, ierror
　　释放INFO对象


MPI_Info_get(info, key, valuelen, value, falg, ierror)
integer info, valuelen, ierror
character*(*) key, value
logical flag
　　返回与信息关键字对应的值


MPI_Info_get_nkeys(info, nkeys, ierror)
integer info, nkeys, ierror
　　返回INFO对象当前定义的关键字的数量


MPI_Info_get_nthkey(info, n, key, ierror)
integer info, n, ierror
character*(*) key
　　返回INFO对象定义的第n个关键字


MPI_Info_get_valuelen(info, key, valuelen, falg, ierror)
integer info, valuelen, ierror
logical flag
character*(*) key
　　返回与一个信息关键字对应的值的长度


MPI_Info_set(info, key, value, ierror)
integer info, ierror
character*(*) key, value
　　往INFO对象中加入(关键字,值)元组