Manual Pages for UNIX Operating System command usage for man clearenv

Standard C Library Functions                         clearenv(3C)



NAME
     clearenv - clear the environment

SYNOPSIS
     #include 

     int clearenv(void);


DESCRIPTION
     The clearenv() function clears the environment of all  name-
     value  pairs  and  sets  the  value of the external variable
     environ(5) to NULL.

RETURN VALUES
     Upon successful completion, the clearenv() function  returns
     0. Otherwise, it returns a non-zero value.

ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:



     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Interface Stability         | Committed                   |
    |_____________________________|_____________________________|
    | MT-Level                    | MT-Safe                     |
    |_____________________________|_____________________________|


SEE ALSO
     getenv(3C), setenv(3C), attributes(5), environ(5)




















SunOS 5.11          Last change: 11 Oct 2010                    1