Procs

proc setEnvImpl(name: string; value: string; overwrite: cint): cint {.
    ...raises: [], tags: [].}

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proc setEnvironmentVariableA(lpName, lpValue: cstring): int32 {.stdcall,
    dynlib: "kernel32", importc: "SetEnvironmentVariableA", sideEffect,
    ...raises: [], tags: [].}

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