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Интерактивная система просмотра системных руководств (man-ов)

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ttyname (3)
  • ttyname (3) ( Solaris man: Библиотечные вызовы )
  • ttyname (3) ( FreeBSD man: Библиотечные вызовы )
  • ttyname (3) ( Русские man: Библиотечные вызовы )
  • >> ttyname (3) ( Linux man: Библиотечные вызовы )
  • ttyname (3) ( POSIX man: Библиотечные вызовы )
  •  

    NAME

    ttyname, ttyname_r - return name of a terminal
     
    

    SYNOPSIS

    #include <unistd.h>
    
    char *ttyname(int fd);
    
    int ttyname_r(int fd, char *buf, size_t buflen);
    
     

    DESCRIPTION

    The function ttyname() returns a pointer to the null-terminated pathname of the terminal device that is open on the file descriptor fd, or NULL on error (for example, if fd is not connected to a terminal). The return value may point to static data, possibly overwritten by the next call. The function ttyname_r() stores this pathname in the buffer buf of length buflen.  

    RETURN VALUE

    The function ttyname() returns a pointer to a pathname on success. On error, NULL is returned, and errno is set appropriately. The function ttyname_r() returns 0 on success, and an error number upon error.  

    ERRORS

    ttyname_r():
    EBADF
    Bad file descriptor.
    ENOTTY
    File descriptor does not refer to a terminal device.
    ERANGE
    buflen was too small to allow storing the pathname.
     

    CONFORMING TO

    4.2BSD, POSIX.1-2001.  

    SEE ALSO

    fstat(2), isatty(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
    RETURN VALUE
    ERRORS
    CONFORMING TO
    SEE ALSO
    COLOPHON


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