projects / thirdparty / man-pages.git / blame
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1 | .\" Copyright (C) 2002 Andries Brouwer <aeb@cwi.nl> |
| 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. | |
| c13182ef | 11 | .\" |
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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| 13 | .\" manual page may be incorrect or out-of-date.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. | |
| c13182ef | 19 | .\" |
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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 | .\" This replaces an earlier man page written by Walter Harms | |
| 24 | .\" <walter.harms@informatik.uni-oldenburg.de>. | |
| 25 | .\" | |
| 50831f9b | 26 | .TH QECVT 3 2010-09-20 "GNU" "Linux Programmer's Manual" |
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27 | .SH NAME |
| 28 | qecvt, qfcvt, qgcvt \- convert a floating-point number to a string | |
| 29 | .SH SYNOPSIS | |
| 30 | .B #include <stdlib.h> | |
| 31 | .sp | |
| 32 | .BI "char *qecvt(long double " number ", int " ndigits ", int *" decpt , | |
| 33 | .BI "int *" sign ); | |
| 34 | .sp | |
| 35 | .BI "char *qfcvt(long double " number ", int " ndigits ", int *" decpt , | |
| 36 | .BI "int *" sign ); | |
| 37 | .sp | |
| 38 | .BI "char *qgcvt(long double " number ", int " ndigit ", char *" buf ); | |
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39 | .sp |
| 40 | .in -4n | |
| 41 | Feature Test Macro Requirements for glibc (see | |
| 42 | .BR feature_test_macros (7)): | |
| 43 | .in | |
| 44 | .sp | |
| 7fa092c8 | 45 | .ad l |
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46 | .BR qecvt (), |
| 47 | .BR qfcvt (), | |
| 48 | .BR qgcvt (): | |
| 32caaf6e | 49 | _SVID_SOURCE |
| 7fa092c8 | 50 | .ad b |
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51 | .SH DESCRIPTION |
| 52 | The functions | |
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53 | .BR qecvt (), |
| 54 | .BR qfcvt () | |
| fea681da | 55 | and |
| e511ffb6 | 56 | .BR qgcvt () |
| fea681da | 57 | are identical to |
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58 | .BR ecvt (3), |
| 59 | .BR fcvt (3) | |
| fea681da | 60 | and |
| fb186734 | 61 | .BR gcvt (3) |
| fea681da | 62 | respectively, except that they use a |
| 9ff08aad | 63 | .I "long double" |
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64 | argument |
| 65 | .IR number . | |
| 66 | See | |
| 67 | .BR ecvt (3) | |
| 68 | and | |
| 69 | .BR gcvt (3). | |
| 47297adb | 70 | .SH CONFORMING TO |
| 68e1685c | 71 | SVr4. |
| 008f1ecc | 72 | Not seen in most common UNIX implementations, |
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73 | but occurs in SunOS. |
| 74 | Not supported by libc4 and libc5. | |
| fea681da | 75 | Supported by glibc. |
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76 | .SH NOTES |
| 77 | These functions are obsolete. | |
| 78 | Instead, | |
| 79 | .BR sprintf (3) | |
| 80 | is recommended. | |
| 47297adb | 81 | .SH SEE ALSO |
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82 | .BR ecvt (3), |
| 83 | .BR ecvt_r (3), | |
| 84 | .BR gcvt (3), | |
| 85 | .BR sprintf (3) |