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From: gwyn@smoke.brl.mil (Doug Gwyn)
Newsgroups: comp.lang.c
Subject: Re: print % in c
Message-ID: <15329@smoke.brl.mil>
Date: 25 Feb 91 21:14:27 GMT
References: <61516@eerie.acsu.Buffalo.EDU> <1991Feb25.180600.5004@ux1.cso.uiuc.edu>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 9

In article <1991Feb25.180600.5004@ux1.cso.uiuc.edu> gordon@osiris.cso.uiuc.edu (John Gordon) writes:
>	To print special characters with printf(), precede the character
>with a \ character.  Example:
>	printf("This a percent sign: \%\n");

That produces undefined behavior.

To escape a literal percent character in a *printf()/*scanf() format string,
specify two adjacent percent characters.