mirror of https://github.com/mkerrisk/man-pages
80 lines
2.4 KiB
Plaintext
80 lines
2.4 KiB
Plaintext
.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
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.TH "<arpa/inet.h>" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
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.\" <arpa/inet.h>
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.SH NAME
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arpa/inet.h \- definitions for internet operations
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.SH SYNOPSIS
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.LP
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\fB#include <arpa/inet.h>\fP
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.SH DESCRIPTION
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.LP
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The \fBin_port_t\fP and \fBin_addr_t\fP types shall be defined as
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described in \fI<netinet/in.h>\fP .
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.LP
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The \fBin_addr\fP structure shall be defined as described in \fI<netinet/in.h>\fP
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\&.
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.LP
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The INET_ADDRSTRLEN \ and INET6_ADDRSTRLEN macros
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shall be defined as described in \fI<netinet/in.h>\fP .
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.LP
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The following shall either be declared as functions, defined as macros,
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or both. If functions are declared, function prototypes
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shall be provided.
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.sp
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.RS
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.nf
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\fBuint32_t htonl(uint32_t);
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uint16_t htons(uint16_t);
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uint32_t ntohl(uint32_t);
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uint16_t ntohs(uint16_t);
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\fP
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.fi
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.RE
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.LP
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The \fBuint32_t\fP and \fBuint16_t\fP types shall be defined as described
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in \fI<inttypes.h>\fP .
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.LP
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The following shall be declared as functions and may also be defined
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as macros. Function prototypes shall be provided.
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.sp
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.RS
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.nf
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\fBin_addr_t inet_addr(const char *);
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char *inet_ntoa(struct in_addr);
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const char *inet_ntop(int, const void *restrict, char *restrict,
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socklen_t);
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int inet_pton(int, const char *restrict, void *restrict);
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\fP
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.fi
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.RE
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.LP
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Inclusion of the \fI<arpa/inet.h>\fP header may also make visible
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all symbols from \fI<netinet/in.h>\fP and \fI<inttypes.h>\fP.
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.LP
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\fIThe following sections are informative.\fP
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.SH APPLICATION USAGE
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.LP
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None.
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.SH RATIONALE
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.LP
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None.
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.SH FUTURE DIRECTIONS
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.LP
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None.
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.SH SEE ALSO
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.LP
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\fI<netinet/in.h>\fP , \fI<inttypes.h>\fP , the System Interfaces
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volume of IEEE\ Std\ 1003.1-2001, \fIhtonl\fP(), \fIinet_addr\fP()
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.SH COPYRIGHT
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Portions of this text are reprinted and reproduced in electronic form
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from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
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-- Portable Operating System Interface (POSIX), The Open Group Base
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Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
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Electrical and Electronics Engineers, Inc and The Open Group. In the
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event of any discrepancy between this version and the original IEEE and
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The Open Group Standard, the original IEEE and The Open Group Standard
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is the referee document. The original Standard can be obtained online at
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http://www.opengroup.org/unix/online.html .
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