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+<HTML
+><HEAD
+><TITLE
+>Non-POSIX Functions</TITLE
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+TITLE="Thread Cancellation [POSIX Section 18]"
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+>Chapter 31. POSIX Standard Support</TD
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+CLASS="SECT1"
+><H1
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+><A
+NAME="POSIX-NON-POSIX-FUNCTIONS">Non-POSIX Functions</H1
+><P
+>In addition to the standard POSIX functions defined above, the
+following non-POSIX functions are defined in the FILEIO package.</P
+><DIV
+CLASS="SECT2"
+><H2
+CLASS="SECT2"
+><A
+NAME="AEN13314">General I/O Functions</H2
+><TABLE
+BORDER="5"
+BGCOLOR="#E0E0F0"
+WIDTH="70%"
+><TR
+><TD
+><PRE
+CLASS="SCREEN"
+>int ioctl( int fd, CYG_ADDRWORD com, CYG_ADDRWORD data );
+int select( int nfd, fd_set *in, fd_set *out, fd_set *ex, struct timeval *tv);</PRE
+></TD
+></TR
+></TABLE
+></DIV
+><DIV
+CLASS="SECT2"
+><H2
+CLASS="SECT2"
+><A
+NAME="AEN13317">Socket Functions</H2
+><TABLE
+BORDER="5"
+BGCOLOR="#E0E0F0"
+WIDTH="70%"
+><TR
+><TD
+><PRE
+CLASS="SCREEN"
+>int socket( int domain, int type, int protocol);
+int bind( int s, const struct sockaddr *sa, unsigned int len);
+int listen( int s, int len);
+int accept( int s, struct sockaddr *sa, socklen_t *addrlen);
+int connect( int s, const struct sockaddr *sa, socklen_t len);
+int getpeername( int s, struct sockaddr *sa, socklen_t *len);
+int getsockname( int s, struct sockaddr *sa, socklen_t *len);
+int setsockopt( int s, int level, int optname, const void *optval,
+ socklen_t optlen);
+int getsockopt( int s, int level, int optname, void *optval,
+ socklen_t *optlen);
+ssize_t recvmsg( int s, struct msghdr *msg, int flags);
+ssize_t recvfrom( int s, void *buf, size_t len, int flags,
+ struct sockaddr *from, socklen_t *fromlen);
+ssize_t recv( int s, void *buf, size_t len, int flags);
+ssize_t sendmsg( int s, const struct msghdr *msg, int flags);
+ssize_t sendto( int s, const void *buf, size_t len, int flags,
+ const struct sockaddr *to, socklen_t tolen);
+ssize_t send( int s, const void *buf, size_t len, int flags);
+int shutdown( int s, int how);</PRE
+></TD
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+></DIV
+><DIV
+CLASS="SECT2"
+><H2
+CLASS="SECT2"
+><A
+NAME="AEN13320">Notes</H2
+><P
+></P
+><UL
+><LI
+><P
+> The precise behaviour of these functions depends mainly on the
+ functionality of the underlying filesystem or network stack to
+ which they are applied.
+ </P
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