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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 || _BSD_SOURCE ||
       _XOPEN_SOURCE >= 500

       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).

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

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

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

       This  page  is  part of release 3.05 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at

GNU                               2007-07-26                          QECVT(3)

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