projects / unix-history / blame
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1 | .\" Copyright (c) 1983 The Regents of the University of California. |
| 2 | .\" All rights reserved. | |
| b17ac36d | 3 | .\" |
| da268306 KB |
4 | .\" Redistribution and use in source and binary forms are permitted |
| 5 | .\" provided that the above copyright notice and this paragraph are | |
| 6 | .\" duplicated in all such forms and that any documentation, | |
| 7 | .\" advertising materials, and other materials related to such | |
| 8 | .\" distribution and use acknowledge that the software was developed | |
| 9 | .\" by the University of California, Berkeley. The name of the | |
| 10 | .\" University may not be used to endorse or promote products derived | |
| 11 | .\" from this software without specific prior written permission. | |
| 12 | .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 13 | .\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 14 | .\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 15 | .\" | |
| 16 | .\" @(#)getsockname.2 6.2 (Berkeley) %G% | |
| b17ac36d | 17 | .\" |
| 063dabfb | 18 | .TH GETSOCKNAME 2 "" |
| b17ac36d KM |
19 | .UC 5 |
| 20 | .SH NAME | |
| 21 | getsockname \- get socket name | |
| 22 | .SH SYNOPSIS | |
| 23 | .nf | |
| 24 | .PP | |
| 25 | .ft B | |
| 26 | getsockname(s, name, namelen) | |
| 27 | int s; | |
| 28 | struct sockaddr *name; | |
| 29 | int *namelen; | |
| 30 | .fi | |
| 31 | .SH DESCRIPTION | |
| 32 | .I Getsockname | |
| 33 | returns the current | |
| 34 | .I name | |
| 35 | for the specified socket. The | |
| 36 | .I namelen | |
| 37 | parameter should be initialized to indicate | |
| 38 | the amount of space pointed to by | |
| 39 | .IR name . | |
| 40 | On return it contains the actual size of the name | |
| 41 | returned (in bytes). | |
| 42 | .SH DIAGNOSTICS | |
| 43 | A 0 is returned if the call succeeds, \-1 if it fails. | |
| 44 | .SH ERRORS | |
| 45 | The call succeeds unless: | |
| 46 | .TP 15 | |
| 47 | [EBADF] | |
| 48 | The argument \fIs\fP is not a valid descriptor. | |
| 49 | .TP 15 | |
| 50 | [ENOTSOCK] | |
| 51 | The argument \fIs\fP is a file, not a socket. | |
| 52 | .TP 15 | |
| 53 | [ENOBUFS] | |
| 54 | Insufficient resources were available in the system | |
| 55 | to perform the operation. | |
| 56 | .TP 15 | |
| 57 | [EFAULT] | |
| 58 | The | |
| 59 | .I name | |
| 60 | parameter points to memory not in a valid part of the | |
| 61 | process address space. | |
| 62 | .SH "SEE ALSO" | |
| 63 | bind(2), socket(2) | |
| 64 | .SH BUGS | |
| 65 | Names bound to sockets in the UNIX domain are inaccessible; | |
| 66 | .I getsockname | |
| 67 | returns a zero length name. |