2 .\" This file and its contents are supplied under the terms of the
3 .\" Common Development and Distribution License ("CDDL"), version 1.0.
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29 function clears the contents of the environment. All environment variables in
30 the calling process are removed as though the function
32 had been called on every environment variable. Until subsequent calls to
41 Upon successful completion,
45 Otherwise, it returns a non-zero value and sets
47 to indicate the error. At this time, no errors are defined for
49 it will always succeed. Portable applications should always check the return
53 No errors are defined.
54 .Sh INTERFACE STABILITY