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gcvt

man page of gcvt

gcvt: convert a floating-point number to a string

NAME

gcvt - convert a floating-point number to a string

SYNOPSIS

#include <stdlib.h> char *gcvt(double number, size_t ndigit, char *buf); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): gcvt(): Since glibc 2.12: _SVID_SOURCE || (_XOPEN_SOURCE >= 500 || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED) && !(_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) Before glibc 2.12: _SVID_SOURCE || _XOPEN_SOURCE >= 500 || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED
DESCRIPTION
The gcvt() function converts number to a minimal length null-terminated ASCII string and stores the result in buf. It produces ndigit significant 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. POSIX.1-2008 removes the specification of gcvt(), recommending the use of sprintf(3) instead (though snprintf(3) may be preferable).

SEE ALSO

ecvt(3), fcvt(3), sprintf(3)

COLOPHON

This page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at //www.kernel.org/doc/man-pages/. 2010-09-20 GCVT(3)
 
 
 

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