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check_utility_compat (3)
  • >> check_utility_compat (3) ( FreeBSD man: Библиотечные вызовы )

  • BSD mandoc
     

    NAME

    check_utility_compat
    
     - determine whether a utility should be compatible
    
     
    

    LIBRARY

    Lb libc
    
     
    

    SYNOPSIS

       #include <unistd.h>
    int check_utility_compat (const char *utility);
     

    DESCRIPTION

    The check_utility_compat ();
    function checks whether Fa utility should behave in a traditional (Fx 4.7 -compatible ) manner, or in accordance with St -p1003.1-2001 . The configuration is given as a comma-separated list of utility names; if the list is present but empty, all supported utilities assume their most compatible mode. The check_utility_compat ();
    function first checks for an environment variable named _COMPAT_FreeBSD_4 If that environment variable does not exist, then check_utility_compat ();
    will attempt to read the contents of a symbolic link named /etc/compat-FreeBSD-4-util If no configuration is found, compatibility mode is disabled.  

    RETURN VALUES

    The check_utility_compat ();
    function returns zero if Fa utility should implement strict St -p1003.1-2001 behavior, and nonzero otherwise.  

    FILES

    /etc/compat-FreeBSD-4-util
    If present, a symbolic link whose expansion gives system-wide default settings for the check_utility_compat ();
    function.

     

    ERRORS

    No errors are detected.  

    HISTORY

    The check_utility_compat ();
    function first appeared in Fx 5.0 .  

    AUTHORS

    This manual page was written by An Garrett Wollman Aq [email protected] .


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    FILES
    ERRORS
    HISTORY
    AUTHORS


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