maxread
size_t maxread;
maxread = *resid;
if (maxread > (size_t)((off_t)pn->pn_va.va_size - offset)) {
maxread = (size_t)((off_t)pn->pn_va.va_size - offset);
if (maxread == 0)
ret = fuse_fs_read(fuse->fs, path, (char *)buf, maxread, offset,
ssize_t maxread(FILE *fp, void *buf, size_t size);
rd_fn = maxread; /* read using stdio funcs. */