pathComponent
struct pathComponent *pc;
pc = (struct pathComponent *)ea;
elen += sizeof(struct pathComponent);
if (elen + sizeof(struct pathComponent) > eoffset)
pc = (struct pathComponent *)(ea + elen);
if (elen + sizeof(struct pathComponent) + namelen >
elen += sizeof(struct pathComponent) + pc->lengthComponentIdent;
struct pathComponent *pc;
pc = (struct pathComponent *)(from + elen);
elen += sizeof(struct pathComponent);