read_check
if ((error = read_check(fp, ehdr, nbyte)) != 0)
if ((error = read_check(fp, phdr, nbyte)) != 0)
if ((error = read_check(fp, note, notesz)) != 0)
if ((error = read_check(fp, csi, sizeof(struct ckpt_siginfo))) != 0)
if ((error = read_check(fp, &vminfo, sizeof(vminfo))) != 0)
if ((error = read_check(fp, &vpcount, sizeof(int))) != 0)
if ((error = read_check(fp, vnh, sizeof(struct vn_hdr)*vpcount)) != 0)
if ((error = read_check(fp, &filehdr, sizeof(filehdr))) != 0)
error = read_check(fp, cfi_base, filecount*sizeof(struct ckpt_fileinfo));