jhb 4806d88677 Change the kernel's ucred API as follows: ... - crhold() returns a reference to the ucred whose refcount it bumps. - crcopy() now simply copies the credentials from one credential to another and has no return value. - a new crshared() primitive is added which returns true if a ucred's refcount is > 1 and false (0) otherwise.		2001-10-11 23:38:17 +00:00
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md.c	Change the kernel's ucred API as follows:	2001-10-11 23:38:17 +00:00