.\" Hey Emacs! This file is -*- nroff -*- source.
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.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\"
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.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein.  The author(s) may not
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.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
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.\" References consulted:
.\"     Linux libc source code
.\"     Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\"     386BSD man pages
.\"     libc.info (from glibc distribution)
.\" Modified Sat Jul 24 19:12:00 1993 by Rik Faith <faith@cs.unc.edu>
.\" Modified Sun Sep  3 20:29:36 1995 by Jim Van Zandt <jrv@vanzandt.mv.com>
.\" Changed network into host byte order (for inet_network),
.\"     Andreas Jaeger <aj@arthur.rhein-neckar.de>, 980130.
.\"
.\" Japanese Version Copyright (c) 1998 Ueyama Rui
.\"         all rights reserved.
.\" Translated Sat May 23 16:17:09 JST 1998
.\"         by Ueyama Rui <rui@linux.or.jp>
.\" Updated & Modefied Fri Feb 26 1999 by Shouichi Saito
.\" Updated Sun Dec 26 1999 by Kentaro Shirakata <argrath@yo.rim.or.jp>
.\"
.TH INET 3  2001-07-25 "BSD" "Linux Programmer's Manual"
.SH ̾
inet_aton, inet_addr, inet_network, inet_ntoa, inet_makeaddr, inet_lnaof, 
inet_netof \- 󥿡ͥåȥɥ쥹롼
.SH 
.nf
.B #include <sys/socket.h>
.B #include <netinet/in.h>
.B #include <arpa/inet.h>
.sp
.BI "int inet_aton(const char *" cp ", struct in_addr *" inp );
.sp
.BI "in_addr_t inet_addr(const char *" cp );
.sp
.BI "in_addr_t inet_network(const char *" cp );
.sp
.BI "char *inet_ntoa(struct in_addr " in );
.sp
.BI "struct in_addr inet_makeaddr(int " net ", int " host );
.sp
.BI "in_addr_t inet_lnaof(struct in_addr " in );
.sp
.BI "in_addr_t inet_netof(struct in_addr " in );
.fi
.SH 
\fBinet_aton()\fP ϡ󥿡ͥåȥۥȤΥɥ쥹 \fIcp\fP 
ɥåդ 10ʵˡХʥͤѴ롣
̤ \fIinp\fP ؤƤ빽¤Τ롣
֤ͤϡꤷɥ쥹ʤ 0ʳʤ 0 Ǥ롣
.PP
\fBinet_addr()\fP ؿϡ󥿡ͥåȥۥȤΥɥ쥹 \fIcp\fP 
ɥåդ 10ʵˡͥåȥХȥǤΥХʥͤ
Ѵ֤ʤ INADDR_NONE (̤ \-1) ֤롣
δؿľ \fBinet_aton\fP
Фơ\fI٤\fP󥿡եǤ롣ʤʤ \-1 
ɥ쥹 (255.255.255.255) Ǥ롣
\fBinet_aton\fP 顼֤뤳Ȥ򤹤äȼȤǤ롣
.PP
\fBinet_network()\fP ؿϡɥåդ 10ʵˡǤΥɥ쥹 \fIcp\fP
顢ͥåȥۥȥХȥǼФ
ʤ \-1 ֤롣
.PP
\fBinet_ntoa()\fP ؿϡ
ͥåȥХȥǤΥ󥿡ͥåȥۥȥɥ쥹 \fIin\fP
ɥåդ 10ʵˡѴ롣ʸ
Ū˳Ƥ줿Хåե֤Τǡ
⤦ 1󤳤δؿƤ֤ʸϾ񤭤롣
.PP
\fBinet_makeaddr()\fP ؿϡͥåȥ \fInet\fP ȡ
ΥͥåȥǤΥۥȤΥ륢ɥ쥹 \fIhost\fP 򤯤äĤơ
󥿡ͥåȥۥȤΥɥ쥹롣֤ͤϥͥåȥХȥ
 \fIhost\fP\fInet\fP ϥۥȥХȥǤ롣
.PP
\fBinet_lnaof()\fP ؿϡ󥿡ͥåȥɥ쥹 \fIin\fP
Υۥ֤֤ͤϥۥȥХȥǤ롣
.PP
\fBinet_netof()\fP ؿϡ󥿡ͥåȥɥ쥹 \fIin\fP
Υͥåȥ֤֤ͤϥۥȥХȥǤ롣
.PP
\fBinet_ntoa()\fP\fBinet_makeaddr()\fP\fBinet_lnoaf()\fP\fBinet_netof()\fP
ǻѤ빽¤ \fIin_addr\fP ϡ\fInetinet/in.h\fP
ǼΤ褦Ƥ:
.sp
.RS
.nf
.ne 7
.ta 8n 16n
struct in_addr {
	unsigned long int s_addr;
}
.ta
.fi
.RE
.PP
: i80x86 ǤΥۥȥХȥ LSB first 
󥿡ͥåȤǻȤͥåȥХȥ MSB firstǤ롣
.SH 
BSD 4.3
.SH Ϣ
.BR gethostbyname (3),
.BR getnetent (3),
.BR inet_ntop (3),
.BR inet_pton (3),
.BR hosts (5),
.BR networks (5)