hpux man page for clearenv

clearenv(3C)															      clearenv(3C)

NAME
       clearenv - clear the process environment

SYNOPSIS
DESCRIPTION
       clears the process environment.	No environment variables are defined immediately after a call to

       modifies the value of the pointer environ.  This means that copies of that pointer are invalid after a call to

RETURN VALUE
       Upon successful completion, returns zero; otherwise, it returns -1 and sets to indicate the error.

ERRORS
       fails if the following condition is encountered:

	      [ENOMEM]	     Failed to free or reallocate memory for the process environment.

SEE ALSO
       environ(5), getenv(3C), putenv(3C), thread_safety(5), <stdlib.h>.

STANDARDS CONFORMANCE
																      clearenv(3C)