projects / unix-history / blame
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|---|---|---|
| 778f0f70 KM |
1 | .\" Copyright (c) 1985 Regents of the University of California. |
| 2 | .\" All rights reserved. The Berkeley software License Agreement | |
| 3 | .\" specifies the terms and conditions for redistribution. | |
| 4 | .\" | |
| 5 | .\" @(#)getusershell.3 6.1 (Berkeley) %G% | |
| 6 | .\" | |
| 7 | .TH GETUSERSHELL 3 "" | |
| 8 | .UC 6 | |
| 9 | .SH NAME | |
| 10 | getusershell, setusershell, endusershell \- get legal user shells | |
| 11 | .SH SYNOPSIS | |
| 12 | .nf | |
| 13 | .B char *getusershell() | |
| 14 | .PP | |
| 15 | .B setusershell() | |
| 16 | .PP | |
| 17 | .B endusershell() | |
| 18 | .fi | |
| 19 | .SH DESCRIPTION | |
| 20 | .I Getusershell | |
| 21 | returns a pointer to a legal user shell as defined by the | |
| 22 | system manager in the file | |
| 23 | .IR /etc/shells . | |
| 24 | If | |
| 25 | .I /etc/shells | |
| 26 | does not exist, the two standard system shells | |
| 27 | .I /bin/sh | |
| 28 | and | |
| 29 | .I /bin/csh | |
| 30 | are returned. | |
| 31 | .PP | |
| 32 | .I Getusershell | |
| 33 | reads the next | |
| 34 | line (opening the file if necessary); | |
| 35 | .I setusershell | |
| 36 | rewinds the file; | |
| 37 | .I endusershell | |
| 38 | closes it. | |
| 39 | .SH FILES | |
| 40 | /etc/shells | |
| 41 | .SH DIAGNOSTICS | |
| 42 | The routine | |
| 43 | .I getusershell | |
| 44 | returns a null pointer (0) on EOF or error. | |
| 45 | .SH BUGS | |
| 46 | All information | |
| 47 | is contained in a static area | |
| 48 | so it must be copied if it is | |
| 49 | to be saved. |