.\" Copyright (C) 2002 Andries Brouwer <aeb@cwi.nl>
.\"
+.\" %%%LICENSE_START(VERBATIM)
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
+.\" %%%LICENSE_END
.\"
.\" This replaces an earlier man page written by Walter Harms
.\" <walter.harms@informatik.uni-oldenburg.de>.
.\"
.\" Corrected return types; from Fabian; 2004-10-05
.\"
-.TH ECVT_R 3 2007-07-26 "GNU" "Linux Programmer's Manual"
+.TH ECVT_R 3 2016-03-15 "GNU" "Linux Programmer's Manual"
.SH NAME
ecvt_r, fcvt_r, qecvt_r, qfcvt_r \- convert a floating-point number to a string
.SH SYNOPSIS
.nf
.B #include <stdlib.h>
-.sp
+.PP
.BI "int ecvt_r(double " number ", int " ndigits ", int *" decpt ,
.BI " int *" sign ", char *" buf ", size_t " len );
-.sp
+.PP
.BI "int fcvt_r(double " number ", int " ndigits ", int *" decpt ,
.BI " int *" sign ", char *" buf ", size_t " len );
-.sp
+.PP
.BI "int qecvt_r(long double " number ", int " ndigits ", int *" decpt ,
.BI " int *" sign ", char *" buf ", size_t " len );
-.sp
+.PP
.BI "int qfcvt_r(long double " number ", int " ndigits ", int *" decpt ,
.BI " int *" sign ", char *" buf ", size_t " len );
.fi
-.sp
+.PP
.in -4n
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):
.in
-.sp
+.PP
.ad l
.BR ecvt_r (),
.BR fcvt_r (),
.BR qecvt_r (),
.BR qfcvt_r ():
.RS 4
-_SVID_SOURCE || _BSD_SOURCE || _XOPEN_SOURCE\ >=\ 500
+/* Glibc since 2.19: */ _DEFAULT_SOURCE
+ || /* Glibc versions <= 2.19: */ _SVID_SOURCE || _BSD_SOURCE
.RE
.ad b
.SH DESCRIPTION
The functions
.BR ecvt_r (),
.BR fcvt_r (),
-.BR qecvt_r ()
+.BR qecvt_r (),
and
.BR qfcvt_r ()
are identical to
.BR ecvt (3),
.BR fcvt (3),
-.BR qecvt (3)
+.BR qecvt (3),
and
.BR qfcvt (3),
respectively, except that they do not return their result in a static
.BR ecvt (3)
and
.BR qecvt (3).
-.SH "RETURN VALUE"
+.SH RETURN VALUE
These functions return 0 on success, and \-1 otherwise.
-.SH "CONFORMING TO"
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lbw20 lb lb
+l l l.
+Interface Attribute Value
+T{
+.BR ecvt_r (),
+.BR fcvt_r (),
+.br
+.BR qecvt_r (),
+.BR qfcvt_r ()
+T} Thread safety MT-Safe
+.TE
+.SH CONFORMING TO
These functions are GNU extensions.
.SH NOTES
These functions are obsolete.
Instead,
.BR sprintf (3)
is recommended.
-.SH "SEE ALSO"
+.SH SEE ALSO
.BR ecvt (3),
.BR qecvt (3),
.BR sprintf (3)