smbfs_fullpath
err = smbfs_fullpath(&name_mb, SSTOVC(ssp),
error = smbfs_fullpath(mbp, vcp, np, NULL, 0, '\\');
error = smbfs_fullpath(mbp, SSTOVC(ssp), src, NULL, 0, 0);
error = smbfs_fullpath(mbp, SSTOVC(ssp), tdnp, tname, tnmlen, sep);
error = smbfs_fullpath(mbp, vcp, ctx->f_dnp,
error = smbfs_fullpath(mbp, vcp, np, NULL, 0, 0);
error = smbfs_fullpath(mbp, SSTOVC(ssp),
int smbfs_fullpath(struct mbchain *mbp, struct smb_vc *vcp,