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-rw-r--r-- | man3/ecvt_r.3 | 101 |
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diff --git a/man3/ecvt_r.3 b/man3/ecvt_r.3 new file mode 100644 index 0000000..39eafa9 --- /dev/null +++ b/man3/ecvt_r.3 @@ -0,0 +1,101 @@ +'\" t +.\" Copyright (C) 2002 Andries Brouwer <aeb@cwi.nl> +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" 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 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +ecvt_r, fcvt_r, qecvt_r, qfcvt_r \- convert a floating-point number to a string +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <stdlib.h> +.PP +.BI "[[deprecated]] int ecvt_r(double " number ", int " ndigits , +.BI " int *restrict " decpt ", int *restrict " sign , +.BI " char *restrict " buf ", size_t " len ); +.BI "[[deprecated]] int fcvt_r(double " number ", int " ndigits , +.BI " int *restrict " decpt ", int *restrict " sign , +.BI " char *restrict " buf ", size_t " len ); +.PP +.BI "[[deprecated]] int qecvt_r(long double " number ", int " ndigits , +.BI " int *restrict " decpt ", int *restrict " sign , +.BI " char *restrict " buf ", size_t " len ); +.BI "[[deprecated]] int qfcvt_r(long double " number ", int " ndigits , +.BI " int *restrict " decpt ", int *restrict " sign , +.BI " char *restrict " buf ", size_t " len ); +.fi +.PP +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.PP +.BR ecvt_r (), +.BR fcvt_r (), +.BR qecvt_r (), +.BR qfcvt_r (): +.nf + /* glibc >= 2.19: */ _DEFAULT_SOURCE + || /* glibc <= 2.19: */ _SVID_SOURCE || _BSD_SOURCE +.fi +.SH DESCRIPTION +The functions +.BR ecvt_r (), +.BR fcvt_r (), +.BR qecvt_r (), +and +.BR qfcvt_r () +are identical to +.BR ecvt (3), +.BR fcvt (3), +.BR qecvt (3), +and +.BR qfcvt (3), +respectively, except that they do not return their result in a static +buffer, but instead use the supplied +.I buf +of size +.IR len . +See +.BR ecvt (3) +and +.BR qecvt (3). +.SH RETURN VALUE +These functions return 0 on success, and \-1 otherwise. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR ecvt_r (), +.BR fcvt_r (), +.BR qecvt_r (), +.BR qfcvt_r () +T} Thread safety MT-Safe +.TE +.sp 1 +.SH STANDARDS +GNU. +.SH NOTES +These functions are obsolete. +Instead, +.BR sprintf (3) +is recommended. +.SH SEE ALSO +.BR ecvt (3), +.BR qecvt (3), +.BR sprintf (3) |