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-'\" 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 2023-10-31 "Linux man-pages 6.7"
-.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>
-.P
-.BI "char *gcvt(double " number ", int " ndigit ", char *" buf );
-.fi
-.P
-.RS -4
-Feature Test Macro Requirements for glibc (see
-.BR feature_test_macros (7)):
-.RE
-.P
-.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
-.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)