diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
| commit | 399644e47874bff147afb19c89228901ac39340e (patch) | |
| tree | 1c4c0b733f4c16b5783b41bebb19194a9ef62ad1 /man3/gcvt.3 | |
| parent | Initial commit. (diff) | |
| download | manpages-399644e47874bff147afb19c89228901ac39340e.tar.xz manpages-399644e47874bff147afb19c89228901ac39340e.zip | |
Adding upstream version 6.05.01.upstream/6.05.01
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man3/gcvt.3')
| -rw-r--r-- | man3/gcvt.3 | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/man3/gcvt.3 b/man3/gcvt.3 new file mode 100644 index 0000000..a43ade7 --- /dev/null +++ b/man3/gcvt.3 @@ -0,0 +1,83 @@ +'\" t +.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" References consulted: +.\" Linux libc source code +.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) +.\" 386BSD man pages +.\" Modified Sat Jul 24 19:32:25 1993 by Rik Faith (faith@cs.unc.edu) +.TH gcvt 3 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +gcvt \- 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 "char *gcvt(double " number ", int " ndigit ", char *" buf ); +.fi +.PP +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.PP +.BR gcvt (): +.nf + Since glibc 2.17 + (_XOPEN_SOURCE >= 500 && ! (_POSIX_C_SOURCE >= 200809L)) + || /* glibc >= 2.20 */ _DEFAULT_SOURCE + || /* glibc <= 2.19 */ _SVID_SOURCE + glibc 2.12 to glibc 2.16: + (_XOPEN_SOURCE >= 500 && ! (_POSIX_C_SOURCE >= 200112L)) + || _SVID_SOURCE + Before glibc 2.12: + _SVID_SOURCE || _XOPEN_SOURCE >= 500 +.\" || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED +.fi +.SH DESCRIPTION +The +.BR gcvt () +function converts \fInumber\fP to a minimal length null-terminated +ASCII string and stores the result in \fIbuf\fP. +It produces \fIndigit\fP significant digits in either +.BR printf (3) +F format or E format. +.SH RETURN VALUE +The +.BR gcvt () +function returns +\fIbuf\fP. +.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 gcvt () +T} Thread safety MT-Safe +.TE +.sp 1 +.SH STANDARDS +None. +.SH HISTORY +Marked as LEGACY in POSIX.1-2001. +POSIX.1-2008 removed it, +recommending the use of +.BR sprintf (3) +instead (though +.BR snprintf (3) +may be preferable). +.SH SEE ALSO +.BR ecvt (3), +.BR fcvt (3), +.BR sprintf (3) |