QECVT
Section: Linux Programmer's Manual (3)
Updated: 2016-03-15
Page Index
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
For an explanation of the terms used in this section, see
attributes(7).
| Interface | Attribute | Value
|
|
qecvt()
| Thread safety | MT-Unsafe race:qecvt
|
|
qfcvt()
| Thread safety | MT-Unsafe race:qfcvt
|
|
qgcvt()
| Thread safety | MT-Safe
|
CONFORMING TO
SVr4.
Not seen in most common UNIX implementations,
but occurs in SunOS.
Supported by glibc.
NOTES
These functions are obsolete.
Instead,
snprintf(3)
is recommended.
SEE ALSO
ecvt(3),
ecvt_r(3),
gcvt(3),
sprintf(3)
COLOPHON
This page is part of release 5.10 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
https://www.kernel.org/doc/man-pages/.