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Linux 2.6 - man page for qgcvt (linux section 3)

QECVT(3)			    Linux Programmer's Manual				 QECVT(3)

NAME
       qecvt, qfcvt, qgcvt - convert a floating-point number to a string

SYNOPSIS
       #include <stdlib.h>

       char *qecvt(long double number, int ndigits, int *decpt, int *sign);

       char *qfcvt(long double number, int ndigits, int *decpt, int *sign);

       char *qgcvt(long double number, int ndigit, char *buf);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       qecvt(), qfcvt(), qgcvt(): _SVID_SOURCE

DESCRIPTION
       The  functions  qecvt(), qfcvt() and qgcvt() are identical to ecvt(3), fcvt(3) and gcvt(3)
       respectively, except that they use  a  long  double  argument  number.	See  ecvt(3)  and
       gcvt(3).

ATTRIBUTES
   Multithreading (see pthreads(7))
       The qecvt() and qfcvt() functions are not thread-safe.

       The qgcvt() function is thread-safe.

CONFORMING TO
       SVr4.   Not  seen in most common UNIX implementations, but occurs in SunOS.  Not supported
       by libc4 and libc5.  Supported by glibc.

NOTES
       These functions are obsolete.  Instead, sprintf(3) is recommended.

SEE ALSO
       ecvt(3), ecvt_r(3), gcvt(3), sprintf(3)

COLOPHON
       This page is part of release 3.55 of the Linux man-pages project.  A  description  of  the
       project,     and    information	  about    reporting	bugs,	 can	be    found    at
       http://www.kernel.org/doc/man-pages/.

GNU					    2013-07-22					 QECVT(3)


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