Date:	Thu, 26 Dec 1996 18:27:08 -0500 (EST)
From:	Michael Phelps <morphine AT hops DOT cs DOT jhu DOT edu>
To:	djgpp AT delorie DOT com
Subject:	sscanf() and NULL pointers
Message-ID:	<Pine.GSO.3.95.961226182357.3119A-100000@hops.cs.jhu.edu>
MIME-Version:	1.0

	Is there a defined behavior for sscanf() when passed a NULL
pointer?  One of my programs worked fine under Win 95 but crashed with
CWSDPMI r3, presumably because CWSDPMI detects NULL pointer dereferences.
I had assumed that sscanf() would return a value of zero when passed a
NULL pointer.

						---Michael Phelps
						   morphine AT cs DOT jhu DOT edu


                               CH3
                               |
                               N
                             / |
                     ______/   |
                    /      \   CH2
             _____/         \__|__      
           //     \\        /  |  \\     
         //        \\______/___CH2 \\  
          \        /       \       /
           \______/         \_____/
          / ------ \       /      \
        OH           \   /         OH
                       O
 
                   Morphine

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