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Интерактивная система просмотра системных руководств (man-ов)

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

    NAME

    getttyent, getttynam, setttyent, endttyent - get ttys file entry
     
    

    SYNOPSIS

    #include <ttyent.h>

    struct ttyent *getttyent(void);

    struct ttyent *getttynam(const char *name);

    int setttyent(void);

    int endttyent(void);  

    DESCRIPTION

    These functions provide an interface to the file _PATH_TTYS (e.g., /etc/ttys).

    The function setttyent() opens the file or rewinds it if already open.

    The function endttyent() closes the file.

    The function getttynam() searches for a given ttyname in the file. It returns a pointer to a ttyent structure (description below).

    The function getttyent() opens the file _PATH_TTYS (if necessary) and returns the first entry. If the file is already open, the next entry. The ttyent structure has the form:

    
    struct ttyent {
        char *ty_name;     /* terminal device name */
        char *ty_getty;    /* command to execute, usually getty */
        char *ty_type;     /* terminal type for termcap */
        int   ty_status;   /* status flags */
        char *ty_window;   /* command to start up window manager */
        char *ty_comment;  /* comment field */
    };
    

    ty_status can be:

    
    #define TTY_ON     0x01  /* enable logins (start ty_getty program) */
    #define TTY_SECURE 0x02  /* allow UID 0 to login */
    
     

    CONFORMING TO

    Not in POSIX.1-2001. Present on the BSDs, and perhaps other systems.  

    NOTES

    Under Linux the file /etc/ttys, and the functions described above, are not used.  

    SEE ALSO

    ttyname(3), ttyslot(3)  

    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
    CONFORMING TO
    NOTES
    SEE ALSO
    COLOPHON


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