traverseFromRoot
traverseFromRoot(fd, 0, PCFS_VISIT_SUBDIRS, PCFS_TRAVERSE_ALL,
traverseFromRoot(fd, 0, PCFS_NO_SUBDIRS, PCFS_FIND_CHKS,
traverseFromRoot(fd, 0, PCFS_NO_SUBDIRS, PCFS_FIND_STATUS,
extern void traverseFromRoot(int fd, int depth, int descend, int operation,