updated some documentation. added statics to functions. use gp_fs_set_funcs() and static fsfuncs.
updated some documentation.
added statics to functions.
use gp_fs_set_funcs() and static fsfuncs.


git-svn-id: 40dd595c6684d839db675001a64203a1457e7319@8632 67ed7778-7388-44ab-90cf-0a291f65f57c

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