From owner-freebsd-hackers@FreeBSD.ORG  Mon Apr  4 18:43:21 2005
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Date: Mon, 04 Apr 2005 11:43:21 -0700
From: Matt <mhersant@comcast.net>
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Subject: C programming question
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I need some help understanding some C code. 

int     (*if_ioctl)
        (struct ifnet *, int, caddr_t);

int     (*if_watchdog)
        (int);

Can someone break down these declarations (if that's what they are)?  Is 
this a form of typecasting?  Thanks for your help.