ffs 69 ompi/mca/coll/portals4/coll_portals4_gather.c max = 1 << ffs(vrank - 1); ffs 142 opal/mca/btl/usnic/btl_usnic_util.c prefixlen = 33 - ffs(netmask); ffs 112 opal/mca/btl/usnic/btl_usnic_util.h return 33 - ffs(ntohl(netmask_be)); ffs 74 opal/mca/hwloc/hwloc201/hwloc/include/private/misc.h extern int ffs(int) __hwloc_attribute_const; ffs 77 opal/mca/hwloc/hwloc201/hwloc/include/private/misc.h # define hwloc_ffs(x) ffs(x) ffs 2648 oshmem/mca/memheap/ptmalloc/malloc.c #define compute_bit2idx(X, I) I = ffs(X)-1