/[autoconf]/autoconf/doc/autoconf.texi
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revision 1.570 by meyering, Mon Dec 17 09:52:56 2001 UTC revision 1.571 by kryde, Mon Dec 17 23:25:55 2001 UTC
# Line 3342  The ISO C standard says @code{sprintf} a Line 3342  The ISO C standard says @code{sprintf} a
3342  number of bytes written, but on some old systems (SunOS 4 for  number of bytes written, but on some old systems (SunOS 4 for
3343  instance) they return the buffer pointer instead.  instance) they return the buffer pointer instead.
3344    
3345    @item @code{sscanf}
3346    @c @fuindex sscanf
3347    @prindex @code{sscanf}
3348    On various old systems, e.g. HP-UX 9, @code{sscanf} requires that its
3349    input string is writable (though it doesn't actually change it).  This
3350    can be a problem when using @command{gcc} since it normally puts
3351    constant strings in read-only memory
3352    (@pxref{Incompatibilities,Incompatibilities of GCC,,gcc,Using and
3353    Porting the GNU Compiler Collection}).  Apparently in some cases even
3354    having format strings read-only can be a problem.
3355    
3356  @item @code{unlink}  @item @code{unlink}
3357  @c @fuindex unlink  @c @fuindex unlink
3358  @prindex @code{unlink}  @prindex @code{unlink}

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