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



NAME
       gcvt - convert a floating-point number to a string

SYNOPSIS
       #include <&lt;stdlib.h>&gt;

       char *gcvt(double number, size_t ndigit, char *buf);

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

       gcvt(): _SVID_SOURCE || _XOPEN_SOURCE >= 500

DESCRIPTION
       The gcvt() function converts number to a minimal length NULL terminated
       ASCII string and stores the result in buf.  It produces ndigit signifi-
       cant digits in either printf(3) F format or E format.

RETURN VALUE
       The  gcvt()  function  returns  the address of the string pointed to by
       buf.

CONFORMING TO
       marked as LEGACY in POSIX.1-2001.

NOTES
       This function is obsolete.  Instead, sprintf(3) is recommended.

SEE ALSO
       ecvt(3), fcvt(3), sprintf(3)

COLOPHON
       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 http://www.kernel.org/doc/man-pages/.



                                  2007-07-26                           GCVT(3)