1GETPEERNAME(2) System Calls Manual GETPEERNAME(2)
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6 getpeername - get name of connected peer
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9 getpeername(s, name, namelen)
10 int s;
11 struct sockaddr *name;
12 int *namelen;
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15 Getpeername returns the name of the peer connected to socket s. The
16 namelen parameter should be initialized to indicate the amount of space
17 pointed to by name. On return it contains the actual size of the name
18 returned (in bytes). The name is truncated if the buffer provided is
19 too small.
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22 A 0 is returned if the call succeeds, -1 if it fails.
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25 The call succeeds unless:
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27 [EBADF] The argument s is not a valid descriptor.
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29 [ENOTSOCK] The argument s is a file, not a socket.
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31 [ENOTCONN] The socket is not connected.
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33 [ENOBUFS] Insufficient resources were available in the system to
34 perform the operation.
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36 [EFAULT] The name parameter points to memory not in a valid part
37 of the process address space.
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40 accept(2), bind(2), socket(2), getsockname(2)
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444.2 Berkeley Distribution May 13, 1986 GETPEERNAME(2)