.\"controls the use of link(3)
.DT
Valid_link
Discworld driver help
Valid_link

Name
.SI 5
valid_link - controls the use of link(3)

.EI
Synopsis
.SI 5
int valid_link(string from, string to)

.EI
Description
.SP 5 5

The driver calls valid_link(from, to) in the master object from inside the
link(from, to) efunction.  If valid_link() returns 0, then the link()
will fail.  If valid_link() returns 1, then the link(3) will succeed if
rename() would succeed if called with the same arguments.
.EP
