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1 | .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) |
2 | .\" | |
3 | .\" Permission is granted to make and distribute verbatim copies of this | |
4 | .\" manual provided the copyright notice and this permission notice are | |
5 | .\" preserved on all copies. | |
6 | .\" | |
7 | .\" Permission is granted to copy and distribute modified versions of this | |
8 | .\" manual under the conditions for verbatim copying, provided that the | |
9 | .\" entire resulting derived work is distributed under the terms of a | |
10 | .\" permission notice identical to this one. | |
11 | .\" | |
12 | .\" Since the Linux kernel and libraries are constantly changing, this | |
13 | .\" manual page may be incorrect or out-of-date. The author(s) assume no | |
14 | .\" responsibility for errors or omissions, or for damages resulting from | |
15 | .\" the use of the information contained herein. The author(s) may not | |
16 | .\" have taken the same level of care in the production of this manual, | |
17 | .\" which is licensed free of charge, as they might when working | |
18 | .\" professionally. | |
19 | .\" | |
20 | .\" Formatted or processed versions of this manual, if unaccompanied by | |
21 | .\" the source, must acknowledge the copyright and authors of this work. | |
22 | .\" | |
23 | .\" References consulted: | |
24 | .\" Linux libc source code | |
25 | .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) | |
26 | .\" 386BSD man pages | |
27 | .\" Modified Sat Jul 24 19:32:25 1993 by Rik Faith (faith@cs.unc.edu) | |
28 | .TH GCVT 3 1993-03-29 "" "Linux Programmer's Manual" | |
29 | .SH NAME | |
30 | gcvt \- convert a floating-point number to a string | |
31 | .SH SYNOPSIS | |
32 | .nf | |
33 | .B #include <stdlib.h> | |
34 | .sp | |
35 | .BI "char *gcvt(double " number ", size_t " ndigit ", char *" buf ); | |
36 | .fi | |
37 | .SH DESCRIPTION | |
63aa9df0 | 38 | The \fBgcvt\fP() function converts \fInumber\fP to a minimal length NULL |
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39 | terminated ASCII string and stores the result in \fIbuf\fP. It produces |
40 | \fIndigit\fP significant digits in either | |
41 | .BR printf (3) | |
42 | F format or E format. | |
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43 | .SH NOTES |
44 | This function is obsolete. Instead, | |
45 | .IR sprintf () | |
46 | is recommended. | |
fea681da | 47 | .SH "RETURN VALUE" |
63aa9df0 | 48 | The \fBgcvt\fP() function returns the address of the string pointed to |
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49 | by \fIbuf\fP. |
50 | .SH "SEE ALSO" | |
51 | .BR ecvt (3), | |
52 | .BR fcvt (3), | |
53 | .BR sprintf (3) |