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

  • BSD mandoc
     

    NAME

    
    
    pwcache
    
     - cache password and group entries
    
     
    

    LIBRARY

    Lb libc
    
     
    

    SYNOPSIS

       #include <pwd.h>
    const char * user_from_uid (uid_t uid int nouser);
       #include <grp.h>
    const char * group_from_gid (gid_t gid int nogroup);
     

    DESCRIPTION

    The user_from_uid ();
    function returns the user name associated with the argument Fa uid . The user name is cached so that multiple calls with the same Fa uid do not require additional calls to getpwuid(3). If there is no user associated with the Fa uid , a pointer is returned to a string representation of the Fa uid , unless the argument Fa nouser is non-zero, in which case a NULL pointer is returned.

    The group_from_gid ();
    function returns the group name associated with the argument Fa gid . The group name is cached so that multiple calls with the same Fa gid do not require additional calls to getgrgid(3). If there is no group associated with the Fa gid , a pointer is returned to a string representation of the Fa gid , unless the argument Fa nogroup is non-zero, in which case a NULL pointer is returned.  

    SEE ALSO

    getgrgid(3), getpwuid(3)  

    HISTORY

    The user_from_uid ();
    and group_from_gid ();
    functions first appeared in BSD 4.4


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    HISTORY


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