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

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

       #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

       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).

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

       The qgcvt() function is thread-safe.

       SVr4.   Not  seen  in  most  common UNIX implementations, but occurs in
       SunOS.  Supported by glibc.

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

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

       This page is part of release 3.74 of the Linux  man-pages  project.   A
       description  of  the project, information about reporting bugs, and the
       latest    version    of    this    page,    can     be     found     at

GNU                               2014-08-19                          QECVT(3)

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