.\" Copyright (c) 1999 Andries Brouwer (aeb@cwi.nl)
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
.\"
.\" The GNU General Public License's references to "object code"
.\" and "executables" are to be interpreted as the output of any
.\" document formatting or typesetting system, including
.\" intermediate and printed output.
.\"
.\" This manual is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
.\" License along with this manual; if not, write to the Free
.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
.\" USA.
.\"
.\"
.\" Earlier versions of this page influenced the present text.
.\" It was derived from a Berkeley page with version
.\"       @(#)printf.3    6.14 (Berkeley) 7/30/91
.\" converted for Linux by faith@cs.unc.edu, updated by
.\" Helmut.Geyer@iwr.uni-heidelberg.de, agulbra@troll.no and Bruno Haible.
.\"
.\" 1999-11-25 aeb - Rewritten, using SUSv2 and C99.
.\" 2000-07-26 jsm28@hermes.cam.ac.uk - three small fixes
.\" 2000-10-16 jsm28@hermes.cam.ac.uk - more fixes
.\"
.\" Japanese Version Copyright (c) 1997 YOSHINO Takashi
.\"       all rights reserved.
.\" Translated Tue Feb 17 10:56:53 JST 1998
.\"       by YOSHINO Takashi <yoshino@civil.jcn.nihon-u.ac.jp>
.\"
.\" Updated Mon Oct  2 JST 2000 by Kentaro Shirakata <argrath@ub32.org>
.\" Updated Mon Jan 29 JST 2001 by Kentaro Shirakata <argrath@ub32.org>
.\" Updated Thu Jan  3 JST 2002 by Kentaro Shirakata <argrath@ub32.org>
.\"
.\" WORD: conversion specifier	Ѵʸ
.TH PRINTF 3  "16 October 2000" "Linux Manpage" "Linux Programmer's Manual"
.SH ̾
printf, fprintf, sprintf, snprintf, vprintf, vfprintf, vsprintf, vsnprintf \- 줿񼰤Ѵؿ
.SH 
.B #include <stdio.h>
.sp
.BI "int printf(const char *" format ", ...);"
.br
.BI "int fprintf(FILE *" stream ", const char *" format ", ...);"
.br
.BI "int sprintf(char *" str ", const char *" format ", ...);"
.br
.BI "int snprintf(char *" str ", size_t " size ", const char *" format ", ...);"
.sp
.B #include <stdarg.h>
.sp
.BI "int vprintf(const char *" format ", va_list " ap );
.br
.BI "int vfprintf(FILE *" stream ", const char *" format ", va_list " ap );
.br
.BI "int vsprintf(char *" str ", const char *" format ", va_list " ap );
.br
.BI "int vsnprintfvsnprintf(char *" str ", size_t " size ", const char *" format ", va_list " ap );
.SH 
.B printf
ؿ롼פϡʲǽҤ٤褦ˡ
.I format
˽äƽϤΤǤ롣
.B printf

.B vprintf
ϽϤ
.IR stdout 
(ɸϥȥ꡼)˽񤭽Ф
.B fprintf

.B vfprintf
Ϳ줿Ϥ
.IR stream 
˽񤭽Ф
.BR sprintf ,
.BR snprintf , 
.BR vsprintf ,
.B vsnprintf
ʸ
.IR  str 
˽񤭹ࡣ
.PP
.BR vprintf ,
.BR vfprintf ,
.BR vsprintf ,
.B vsnprintf
γƴؿϤ줾
.BR printf ,
.BR fprintf ,
.BR sprintf ,
.BR snprintf ,
γƴؿǤ롣
âδؿϲѿ va_list ѤƸƤӽФ롣
δؿǤ
.I va_end
ޥϸƤӽФʤ
ƤӽФ
.I ap
̤ͤǤ롣
ץꥱϸ˼ʬ
.I va_end(ap)
ƤӽФɬפ롣
.PP
 8 Ĥδؿ
.I format
ʸ˽äƽϤ񤭽Ф
.I format
ʸϡ³(ޤ
.BR stdarg (3)
ȤäϤ줿Ĺ)
ϤΤˤɤΤ褦ѴΤꤹ롣
.SS ֤
嵭δؿϽ񤭹ޤ줿ʸθĿ֤
(ʸκǸ򼨤˻Ѥ`\e0'ϴޤޤʤ)
.BR snprintf "  " vsnprintf
ϡ(ʸνüˤ'\e0'ޤ)
.I size
ХȤۤʸ񤭹ޤʤ
ơ¤ˤäƽϤǤ줿ˤ
(glibc 2.0.6ޤǤǤ) \-1 ֤
glibc 2.1ʹߤǤϡδؿ C99 ɸ˽ä
⤷Ѳǽʽʬʥڡн񤭹ޤ줿ǤʸθĿ
(ʸνüˤ'\e0')֤
.SS եޥåʸΥեޥå
եޥåʸϥ饯ǡ
(⤷ʤ)եȾ֤ǻϤޤꡢեȾ֤ǽ롣
եޥåѤʸϥİʾ̿(directives)ˤä
Ƥ롣̿ˤϡ
ϥȥ꡼ˤΤޤޥԡ(
.BR % 
ʳ)̾ʸѴ(conversion specifications)롣
Ѵϡ줾줬İʾΰ롣
Ѵʸ
.BR %
ǻϤޤꡢ
.IR Ѵʸ
ǽ롣
δ֤ˤϡ줾 0 İʾ
.I ե饰
Ǿ
.I ե

.I 

.I Ĺʸ
(ν)뤫⤷ʤ

(γʾ夲θǤ)Ѵ꤬ɽΤбʤФʤʤ
ǥեȤǤϡͿ줿ǻѤ졢
`*' ѴʸФƤ˼ΰ׵᤹
(ơͿ줿οԽʬʤ饨顼Ȥʤ)
ޤ`%'  `%m$'`*' `*m$' Ƚ񤯤Ȥˤäơ
ŪˤɤΰѤ뤫ꤹ뤳ȤǤ롣
 m ׵᤹ 10 ʿֹ(ǽΰ 1)Ǥ롣
äơ
.RS
.nf
	printf("%*d", width, num);
.fi
.RE

.RS
.nf
	printf("%2$*1$d", width, num);
.fi
.RE
Ǥ롣
ܤνǤƱ򷫤֤ȤäƤ褤
C99 ɸˤ Single Unix Specification ͳ `$' ȤäϴޤޤƤʤ
`$' ȤäȤȡѴڤ٤ΰ
ƤΥǻꤷʤФʤʤ
񤷤ʤ `%%' եޥåȤȺäƤ뤫⤷ʤ
`$' ǻꤵֹ˶äƤϤʤʤ
㤨С⤷ 1  3 ꤵȡ 2 եޥåʸΤɤ
ꤵʤФʤʤ

ѴˤϾ 1000 ñ̤ζڤʸȤΤ⤢롣
ºݤˤɤʸȤϥ LC_NUMERIC ˤ롣
POSIX ǤϾ `.' Ѥ
ڤʸϻȤʤ
äơ
.RS
.nf
	printf("%'.2f", 1234567.89);
.fi
.RE
ϡ POSIX Ǥ `1234567.89'  nl_NL Ǥ `1234567,89'
da_DK Ǥ `1.234.567,89' Ȥʤ롣
.SS ե饰ʸ
% ʸθˤ 0 İʾΥե饰ʸ³
.TP
.B #
ͤ``̤η''Ѵ롣
.BR o
Ѵξ硢( 0 ˤʤäƤʤƬ 0 ɲä뤳Ȥˤä)
ʸκǽʸ 0 ˤ롣
.B x

.B X
Ѵξ硢ͤ0ǤʤȤˤʸ `0x' (
.B X
Ѵξˤ `0X' ) źդ롣
.BR a ,
.BR A ,
.BR e ,
.BR E ,
.BR f ,
.BR F ,
.BR g ,
.B G
ѴǤϡ ³ʤƤ⡢
̤Ͼ˾ޤǤ롣
(̾ϡθ˿³˸¤äơ̤Τʤ
ɽ)
.B g

.B G
Ѵξ硢¾ѴȤϰۤʤꡢ³̤ڤʤ
¾ѴǤϡ̤̤Ǥ롣
.TP
.B \&0
ͤ򥼥ǥѥåǥ󥰤롣
.BR d ,
.BR i ,
.BR o ,
.BR u ,
.BR x ,
.BR X ,
.BR a ,
.BR A ,
.BR e ,
.BR E ,
.BR f ,
.BR F ,
.BR g ,
.B G
ѴǤϡѴͤκ¦˶ʸ˥ѥåǥ󥰤롣
.B \&0

.B \-
ξȤꤵ줿ϡ
.B \&0
̵뤵롣
ͤѴƱ٤ꤵƤ
.BR "" ( d ,
.BR i ,
.BR o ,
.BR u ,
.BR x ,
.BR X )
ˤϡ
.B \&0
ե饰̵뤵롣
¾ѴǤϡư̤Ǥ롣
.TP
.B \-
ѴͤեɶǺ·ˤ
(ǥեȤϱ·Ǥ)
.B n
ѴơѴ줿ͤ
ʸ䥼Ǻ¦ǤϤʤ¦롣
.B \-

.B \&0
ξͿƤˤϡ
.B \-
ͥ褵롣
.TP
.B ' '
(1 ĤȾѥڡ)
դѴ줿ο˶(ޤ϶ʸ)֤롣
.TP
.B +
դѴˤäƽϤˡ(+  -)֤롣
.B +
Ⱦѥڡ
ξȤƤˤϡ
.B +
ͥ褵롣
.PP
嵭 5 ĤΥե饰 C ɸƤ롣
SUSv2 ǤϤ⤦ҤȤĤΥե饰ʸꤵƤ롣
.TP 
.B '
Ѵ
.BR "" ( i ,
.BR d ,
.BR u ,
.BR f ,
.BR F ,
.BR g ,
.BR G )
ˤơ˻꤬ 1000 ñ̤ζڤʸϤ롣
¿ΥС
.B gcc
ΥץʸϤǤˡ
ٹ(˥)ȯ뤳Ȥդ뤳ȡSUSv2  %'F ޤǤʤ
.PP
glibc 2.2 ǤϤ˰ĤΥե饰ʸɲä줿
.TP
.B I
10 Ѵ
.BR "" ( i ,
.BR d ,
.BR u )
ˤơ⤷(ӥΤ褦)ؽϿСѤƽϤ롣

.B outdigits
Ƥϴޤޤʤ
.SS ե
Ǿեꤹ (ǽʸǤϤʤ)10 ʿοʸ(ץ)
Ѵ줿ͤեĹûʸˤʤ硢եɤκ¦
(·Υե饰ˤϱ¦)ϥڡ롣
10 ʿʸˡ`*'ޤ`*m$'(m  10 )񤤤ơ
줾켡ΰޤ m ܤΰ(ΰ
.I int
ǤʤФʤʤ)եȤƻȤȤꤹ뤳ȤǤ롣
եοꤷ褦Ȥȡ
`-'ե饰οΥեȤư롣
եä꤬ʤäꤷƤ⡢եɤڤͤ뤳ȤϤʤ
⤷Ѵ̤ե⹭ä硢
եɤѴ̤褦˳ĥ롣
.SS 
ץǻꤹ٤ϡ
ԥꥪ (`\&.') Ȥ³ץ 10 ʿȤǼ롣
10 ʿʸˡ`*'ޤ`*m$'(m  10 )񤤤ơ
줾켡ΰޤ m ܤΰ(ΰ
.I int
ǤʤФʤʤ)٤ȤƻȤȤꤹ뤳ȤǤ롣
٤Ȥñ `.' Ϳ줿ꡢ٤οä硢
٤ϥȤߤʤ롣
.BR d ,
.BR i ,
.BR o ,
.BR u ,
.BR x ,
.B X
ѴξˤϡѴ˻ѤǾηͿ롣
.BR a ,
.BR A ,
.BR e ,
.BR E ,
.BR f ,
.B F
Ѵξ硢θ˸ηͿ롣
.B g

.B G
Ѵξ硢ͭκǤ롣
.B s

.B S
Ѵξˤʸ󤫤ϤʸκͤǤ롣
.SS Ĺʸ
ǡ``Ѵ''Ȥϡ
.BR d ,
.BR i ,
.BR o ,
.BR u ,
.BR x ,
.BR X
ѴΤȤǤ롣
.TP
.B hh
Ѵ
.I signed char
ޤ
.I unsigned char
ΰб뤳ȡ⤷
.B n
Ѵ
.I signed char
ؤݥ󥿰б뤳Ȥꤹ롣
.TP
.B h
Ѵ
.I short int
ޤ
.I unsigned short int
ΰб뤳ȡ⤷
.B n
Ѵ
.I short int
ؤݥ󥿰б뤳Ȥꤹ롣
.TP
.B l
()ϡѴξˤ
.I long int
ޤ
.I unsigned long int
б뤳Ȥ
.B n
Ѵξˤ
.I long long int
ؤΥݥ󥿤бƤ뤳Ȥ
.B c
Ѵξˤ
.I wint_t
б뤳Ȥ
.B s
Ѵξˤ
б뤳Ȥꤹ롣

.TP
.B ll
(륨)ϡѴξˤ
.I long long int
ޤ
.I unsigned long long int
б뤳Ȥ
.B n
Ѵξˤ
.I long int
ؤΥݥ󥿤бƤ뤳Ȥꤹ롣
.TP
.BR L
.BR a ,
.BR A ,
.BR e ,
.BR E ,
.BR f ,
.BR F ,
.BR g ,
.B G
Ѵ
.I long double
б뤳Ȥ򼨤
C99 Ǥ %LF ȤȤǧƤ뤬SUSv2 ǤǧƤʤ
.TP
.B q
(`quad' BSD 4.4  Linux libc5 ΤߡȤäƤϤʤʤ)
.BR ll
Ʊ
.TP
.B j
Ѵ
.I intmax_t
ޤ
.I uintmax_t
б뤳Ȥ򼨤
.TP
.B z
Ѵ
.I size_t
ޤ
.I ssize_t
б뤳Ȥ򼨤
(Linux libc5 ǤϤΰ̣
.B Z
Ѥ롣ȤäƤϤʤʤ)
.TP
.B t
Ѵ
.I ptrdiff_t
б뤳Ȥ򼨤
.PP
SUSv2 ǤĹʸȤ
.B h
(
.BR hd ,
.BR hi ,
.BR ho ,
.BR hx ,
.BR hX ,
.BR hn )

.B l
(
.BR ld ,
.BR li ,
.BR lo ,
.BR lx ,
.BR lX ,
.BR ln ,
.BR lc ,
.BR ls )

.B L
(
.BR Le ,
.BR LE ,
.BR Lf ,
.BR Lg ,
.BR LG )
ѤǤ롣

.SS Ѵʸ
ŬѤѴηꤹʸ
.PP
ѴȤΰ̣ϰʲ̤Ǥ롣
.TP
.BR d , i
.I int
դ 10 ɽѴ롣
ٻ꤬С٤ɬǾη򼨤
⤷Ѵͤη­ʤϡ
¦˥ͤ롣ǥեȤ٤ 1 Ǥ롣
0 ɽ褦ȤƤŪ٤Ȥ 0 ꤵƤȡ
Ϥʤ
.TP
.BR o , u , x , X
.I "unsigned int"

ʤ8ʿ
.BR "" ( o ),
ʤ10ʿ
.BR "" ( u ),
ʤ16ʿ
.BR "" ( x

.BR X )
Ѵ롣
.B x
Ѵˤ
.B abcdef
ʸ
Ѥ롣ޤ
.B X
Ѵˤ
.B ABCDEF
ʸѤ롣
(⤷ꤵƤˤ)٤ϽϤʤФʤʤǾηͿ롣
Ѵ줿ͤ꾮ʷǤ硢κ¦ϥ롣
.TP
.B eE
.I double
ݤ
.BR "" [\-]d \&. ddd e \\*(Pmdd
ηѴ롣
ˤϰοꡢθη٤ǻꤵ줿
ˤʤ롣
٤ꤵʤäˤ6Ȥư졢
٤ǤˤϾʤ
.B E
ѴϻؿɽȤ
(
.BR e 
ǤϤʤ)
.B E
Ѥ롣
ؿϾʤƤˤʤäƤ롣
ʤͤʤСؿ 00 Ǥ롣
.TP
.B f
.I double
ݤ
.BR "" [\-]ddd \&. ddd
η10ɽѴ롣
Ǿθηϻꤵ줿٤ 
٤ꤵƤʤˤ 6 Ȥư롣
٤ȤƤ˥ꤵƤˤϡʲʤ
ˤϡʤƤĤο˸롣

(SUSv2 Ǥ
.B F
ϵꤵƤ餺̵¤ NaN ˴ؤʸɽ
ѲǽȤƤ롣
 C99 ɸǤ
.B f
Ѵ̵¤ˤ `[-]inf'  `[-]infinity' 
NaNˤ `nan' Ѥ
.B F
ѴˤϤ줾 `[-]INF'  `[-]INFINITY'  `NAN*'
Ѥ褦˻ꤵƤ롣
.TP
.BR g , G
.I double

.B f
ޤ
.B e
(
.B G
Ѵξˤ
.B F

.B E
) ηѴ롣 
٤ɽꤹ롣
٤ꤵʤˤϡ 6 夬Ϳ롣
٤Ǥˤϡ1ȤƼ갷롣

.B e
ϡѴͤλؿ \-4 꾮硢ޤٰʾǤä
Ѥ롣
를ϡѴ줿̤ξʬκǸ夫롣
ʤϾʤƤ 1 ĤΥǤϤʤ³ˤΤ
롣
.TP
.BR a , A
(C99 ˤϤ뤬 SUSv2 ˤϤʤ)
.B a
Ѵϡ
.I double
(abcdef ʸȤä)
.BR "" [-] 0x h \&. hhhh p \\*(Pmd;
η 16 ɽѴ롣
.B A
ѴǤϡʸ
.BR 0X ,
ʸ ABCDEF, ؿʸ
.B P
Ѥ롣
 1  16 ʿ֤ȤǤ
θοͤο٤ƱǤ롣
ǥեȤ٤ϡ base 2 ǤΤɽ¸ߤʤ
ͤΤɽΤ˽ʬʤΤǤꡢ
Ǥʤʤ
.I double
̤ͤΤ˽ʬ礭Ǥ롣
οͤξǤꡢ
ξ 0 ǤϤʤʳΤȤˤĤƤǤ롣
.TP
.B c
.B l
ʸʤС
.I int

.IR "unsigned char" 
Ѵ졢η̤бʸ񤭹ޤ롣
.B l
ʸС
.I wint_t
(磻ʸ)
.B wcrtomb
ؿեȾ֤ǸƤӽФȤˤäƥޥХʸѴ졢
Ѵ줿ޥХʸ󤬽񤭹ޤ롣
.TP
.B s
⤷
.B l
ʸʤС
ʸؤΥݥ(ʸؤΥݥ)Ǥ뤳ȤԤƤ
.I "const char *"
󤫤ʸϽüʸ
.B NUL
ޤ(üʸϴޤޤ줺)Ϥ롣
٤ꤵ줿ˤϡꤵ줿ʾϽϤʤ
٤Ϳ줿ˤϡüʸ¸ߤɬפϤʤ
٤ꤵƤʤäꡢͤ礭礭ʾˤϡ
Ͻüʸ
.B NUL
ޤǤʤФʤʤ

.B l
ʸС
磻ʸؤΥݥ󥿤Ǥ뤳ȤԤƤ
.I "const wchar_t *"

Υ磻ʸ
(1 ʸ
ǽΥ磻ʸѴ֤Ͻ֤Ȥ
.B wcrtomb
ƤӽФȤˤä)
NUL 磻ʸޤ(NUL 磻ʸޤ)ޥХʸѴ롣
̤ΥޥХʸ NUL ʸޤ(NUL ʸΤϴޤޤʤ)
񤭹ޤ롣
٤ꤵƤ硢ꤵ줿Хȿʾ夬񤭹ޤ뤳ȤϤʤ
ޥХʸʬŪ˽񤭹ޤ뤳Ȥʤ
٤
.I Хȿ
ꤹΤǤꡢ
.I 磻ʸ

.I ̰
ꤹΤǤϤʤȤա
٤ꤵƤꡢͤ
κǸã˽񤭹ߥХȿ٤ۤƤޤȤƤϡ
 NUL 磻ʸǽäƤʤФʤʤ
.TP
.B C
(C99 ˤϤʤ SUSv2 ˤϤ)
.BR lc
ƱȤäƤϤʤʤ
.TP
.B S
(C99 ˤϤʤ SUSv2 ˤϤ)
.BR ls
ƱȤäƤϤʤʤ
.TP
.B p
.I "void *"
ɽݥ󥿤Ǥ
(
.B %#x
ޤ
.BR  %#lx 
Τ褦) 16 ʿǽϤ롣
.TP
.B n
ޤǤ˽Ϥ줿ʸ
.I "int *"
(ޤϤ)ݥ󥿰Ǽ줿¸롣
ѴϹԤʤ
.TP
.B %
`%' ʸϤ롣Ѵ̵
Ѵεˡɽ `%%' Ǥ롣
.PP
.SH 
.br
.if \w'\*(Pi'=0 .ds Pi pi
Ф 5 ǽϤˤϡ
.RS
.nf
#include <math.h>
#include <stdio.h>
fprintf(stdout, "pi = %.5f\en", 4 * atan(1.0));
.fi
.RE
.PP
դȻ֤ `Sunday, July 3, 10:02' ηǽϤˤ
(ǡ
.I weekday

.I month
ʸؤΥݥ󥿤Ǥ)
.RS
.nf
#include <stdio.h>
fprintf(stdout, "%s, %s %d, %.2d:%.2d\en",
	weekday, month, day, hour, min);
.fi
.RE
.PP
¿ιǤ  -  - ǯ νѤ롣
äơǤǤϥեޥåȤǻꤵ줿֤
ɽǤʤФʤʤ
.RS
.nf
#include <stdio.h>
fprintf(stdout, format,
	weekday, month, day, hour, min);
.fi
.RE

.I format
ϥ˰¸ν֤Ѥ뤳ȤǤ롣
.RS
.nf
"%1$s, %3$d. %2$s, %4$d:%5$.2d\en"
.fi
.RE
Ȥͤʤ顢 `Sonntag, 3. Juli, 10:02' Ȥ̤ˤʤ롣
.PP
ʬ礭ʸΰݤơ˥åǼˤ
(glibc 2.0  glibc 2.1 ξư륳):
.RS
.nf
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
char *
make_message(const char *fmt, ...) {
   /* Guess we need no more than 100 bytes. */
   int n, size = 100;
   char *p;
   va_list ap;
   if ((p = malloc (size)) == NULL)
      return NULL;
   while (1) {
      /* Try to print in the allocated space. */
      va_start(ap, fmt);
      n = vsnprintf (p, size, fmt, ap);
      va_end(ap);
      /* If that worked, return the string. */
      if (n > -1 && n < size)
         return p;
      /* Else try again with more space. */
      if (n > -1)    /* glibc 2.1 */
         size = n+1; /* precisely what is needed */
      else           /* glibc 2.0 */
         size *= 2;  /* twice the old size */
      if ((p = realloc (p, size)) == NULL)
         return NULL;
   }
}
.fi
.RE

.SH 
.BR fprintf ,
.BR printf ,
.BR sprintf ,
.BR vprintf ,
.BR vfprintf ,
.B vsprintf
ؿ ANSI X3.159-1989 (``ANSI C'')  
ISO/IEC 9899:1999 (``ISO C99'') ˽򤷤Ƥ롣
.B snprintf

.B vsnprintf
 ISO/IEC 9899:1999 ˽򤷤Ƥ롣
.PP
.BR snprintf
֤ͤˤĤƹͤȡ
SUSv2  C99 ɸϸߤ̷⤷Ƥ롣
.B snprintf

.IR size =0
ǸƤӽФ줿硢 SUSv2 Ǥ 1 꾮̤֤ͤꤷƤ롣
 C99 ǤϤΤ褦ʾ
.I str
 NULL Ȥ֤ͤȤ(̤̾)
ϥХåեʬ礭˽Ϥʸ֤
.PP
Linux libc4 Ǥ 5 Ĥ C ɸե饰ȡ
Ĺʸ h, l, L ȡ
Ѵ cdeEfFgGinopsuxX Ȥ롣
â F  f ƱǤ롣
ˡ D, O, U  ld, lo, lu ƱΤȤƻȤ
(Ϥޤ  %D бǤڤ줿˿ʥХ)
¸ξ1000 ڤꡢ NaN ̵¡ %m$  *m$
Ȥʤ
.PP
Linux libc5 Ǥ 5 Ĥ C ɸե饰 ' ե饰롢 %m$  *m$ Ȥ롣
ޤĹʸ h, l, L, Z, q Ȥ L  q 
ξȤ long double  long long integer бƤ(ϥХǤ)
Ϥ FDOU ǧʤѴʸ
.BR m
ɲä줿
.IR strerror(errno)
ϤΤǤ롣
.PP
glibc 2.0 ǤѴʸ C  S ɲä줿
.PP
glibc 2.1 ǤĹʸ hh, j, t, z Ѵʸ a, A ɲä줿
.PP
glibc 2.2 Ǥ C99 ʸˡǤѴʸ F ȥե饰ʸ I ɲä줿
.SH 
Unix V7 Ǥ
.BR printf ,
.BR fprintf ,
.BR sprintf
 3 Ĥδؿȡե饰 -ޤ *Ĺʸ l
Ѵ doxfegcsu ld,ld,lu,lx ƱȤ D,O,U,X Ƥ롣
BSD 2.9.1 Ǥ⤳Ʊä BSD 2.10 Ǥ
ե饰 #, +, ɲä졢 D,O,U,X ˤĤƤϿʤʤä
BSD 2.11 Ǥ
.BR vprintf ,
.BR vfprintf ,
.BR vsprintf
ɲä졢 D,O,U,X Ȥʤ褦˷ٹ𤵤줿
BSD 4.3 Reno Ǥϥե饰 0Ĺʸ h  L
Ѵ n, p, E, G, (ߤΰ̣Ǥ)X ɲä졢
D,O,U Ȥ줿
BSD 4.4 Ǥ
.BR snprintf ,
.B vsnprintf 
ؿȡĹʸ q ɲä줿
FreeBSD Ǥ
.B sprintf
ΤνʬʥХåեݤ
.I asprintf

.I vasprintf
ɲä줿
glibc ˤ
.I dprintf
ؿ
.I vdprintf
ؿꡢϥȥ꡼ǤϤʤեǥץ˽Ϥ롣
.SH Х
.B sprintf

.B vsprintf
ŪĹʸꤷƤΤǡƤӽФ¦
ºݤΰ褫餢դʤ褦դʤФʤʤ
ϡݾڤ뤳ȤԲǽǤ뤳Ȥ¿
ʸĹϥ¸Ǥꡢͽ¬񤷤Ȥա
.B snprintf

.B vsnprintf
(ޤ
.B asprintf

.BR vasprintf )
˻Ȥȡ
.PP
Linux libc4.[45] ˤ
.BR snprintf
Ϥʤlibbsd 
.BR sprintf
(Ĥޤꡢ
.I size
̵뤹)
.B snprintf
ޤǤ롣
äơ libc4 
.B snprintf
Ȥȡʥƥ
.PP
.BI printf( foo );
Τ褦ʥɤϤФХХ
ʤʤ
.I foo
 % ʸޤޤƤ뤫⤷ʤǤ롣
⤷
.I foo
Ǥʤ桼ϤƤ硢
%n 뤳Ȥˤä
.B printf
ƤӽФ˥ؤν񤭹ߤ
ƥۡ뤫⤷ʤ
.PP
 libc4 Ǥμ¿Ѵˤϥ꡼Τ⤢롣

.SH Ϣ
.BR printf (1),
.BR asprintf (3),
.BR dprintf (3),
.BR wcrtomb (3),
.BR wprintf (3),
.BR scanf (3),
.BR locale (5)