If you don't want the password argument to appear in ps/top listings,
you can write over argv like curl does (see references to
cleanarg(char*) in src/tool_getparam.c and the function definition in
tool_paramhlp.c:133, at least in curl-7.26.0). I'm pretty sure that
writable argv is guaranteed by C89, although that doesn't really mean
anything in practice... but it works on Linux.

--Andrew Hills

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