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Full Discussion: Quadratic Formula Program
Top Forums UNIX for Advanced & Expert Users Quadratic Formula Program Post 14978 by Perderabo on Friday 8th of February 2002 12:03:25 PM
Old 02-08-2002
Re: Quadratic Formula Program

We are not allowed to do your schoolwork for you. But you have one nasty hard-to-find bug that may not be your fault:
Quote:
Originally posted by zeek
fscanf (fp,"%1f%*c%1f%*c%1f",&a,&b,&c);
That can't be right. I think those one's should be letter l's. A letter-l says that a, b, and c are doubles, which they are. A one says that field is a single character wide.

Always make sure that you are using a font that lets you see the difference between 1 and l. Ditto for O and 0.
 

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TOWLOWER(3)						   BSD Library Functions Manual 					       TOWLOWER(3)

NAME
towlower, towlower_l -- upper case to lower case letter conversion (wide character version) LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <wctype.h> wint_t towlower(wint_t wc); #include <wctype.h> #include <xlocale.h> wint_t towlower_l(wint_t wc, locale_t loc); DESCRIPTION
The towlower() function converts an upper-case letter to the corresponding lower-case letter. Although the towlower() function uses the current locale, the towlower_l() function may be passed a locale directly. See xlocale(3) for more information. RETURN VALUES
If the argument is an upper-case letter, the towlower() function returns the corresponding lower-case letter if there is one; otherwise, the argument is returned unchanged. SEE ALSO
iswlower(3), tolower(3), towupper(3), wctrans(3), xlocale(3) STANDARDS
The towlower() function conforms to ISO/IEC 9899:1999 (``ISO C99''). BSD
October 3, 2002 BSD
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