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ECVT_R
Section: Linux Programmer's Manual (3)
Updated: 2007-07-26
Index
Return to Main Contents
NAME
ecvt_r, fcvt_r, qecvt_r, qfcvt_r - convert a floating-point number to a string
SYNOPSIS
#include <stdlib.h>
int ecvt_r(double number, int ndigits, int *decpt,
int *sign, char *buf, size_t len);
int fcvt_r(double number, int ndigits, int *decpt,
int *sign, char *buf, size_t len);
int qecvt_r(long double number, int ndigits, int *decpt,
int *sign, char *buf, size_t len);
int qfcvt_r(long double number, int ndigits, int *decpt,
int *sign, char *buf, size_t len);
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
ecvt_r(),
fcvt_r(),
qecvt_r(),
qfcvt_r():
-
_SVID_SOURCE || _BSD_SOURCE || _XOPEN_SOURCE >= 500
DESCRIPTION
The functions
ecvt_r(),
fcvt_r(),
qecvt_r()
and
qfcvt_r()
are identical to
ecvt(3),
fcvt(3),
qecvt(3)
and
qfcvt(3),
respectively, except that they do not return their result in a static
buffer, but instead use the supplied
buf
of size
len.
See
ecvt(3)
and
qecvt(3).
RETURN VALUE
These functions return 0 on success, and -1 otherwise.
CONFORMING TO
These functions are GNU extensions.
NOTES
These functions are obsolete.
Instead,
sprintf(3)
is recommended.
SEE ALSO
ecvt(3),
qecvt(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
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- CONFORMING TO
-
- NOTES
-
- SEE ALSO
-
- COLOPHON
-
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