S_IFDIR            23 opal/mca/event/libevent2022/libevent/sample/http-server.c #define S_ISDIR(x) (((x) & S_IFMT) == S_IFDIR)
S_IFDIR           529 opal/mca/hwloc/hwloc201/hwloc/include/private/misc.h #    define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)