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setusershell (3)
  • setusershell (3) ( FreeBSD man: Библиотечные вызовы )
  • setusershell (3) ( Русские man: Библиотечные вызовы )
  • >> setusershell (3) ( Linux man: Библиотечные вызовы )
  •  

    NAME

    getusershell, setusershell, endusershell - get permitted user shells
     
    

    SYNOPSIS

    #include <unistd.h>
    
    char *getusershell(void);
    
    void setusershell(void);
    
    void endusershell(void);
    

    Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

    getusershell(), setusershell(), endusershell(): _BSD_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE < 500)  

    DESCRIPTION

    The getusershell() function returns the next line from the file /etc/shells, opening the file if necessary. The line should contain the pathname of a valid user shell. If /etc/shells does not exist or is unreadable, getusershell() behaves as if /bin/sh and /bin/csh were listed in the file.

    The setusershell() function rewinds /etc/shells.

    The endusershell() function closes /etc/shells.  

    RETURN VALUE

    The getusershell() function returns a NULL pointer on end-of-file.  

    FILES

    /etc/shells
    
     

    CONFORMING TO

    4.3BSD.  

    SEE ALSO

    shells(5)  

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    FILES
    CONFORMING TO
    SEE ALSO
    COLOPHON


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