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cgo: note that CString result must be freed
R=golang-dev, bradfitz CC=golang-dev https://golang.org/cl/4968054
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@ -72,7 +72,7 @@ the pointer to the first element explicitly: C.f(&x[0]).
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A few special functions convert between Go and C types
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by making copies of the data. In pseudo-Go definitions:
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// Go string to C string
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// Go string to C string - result is not garbage collected
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func C.CString(string) *C.char
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// C string to Go string
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@ -18,7 +18,7 @@ x_cgo_malloc(void *p)
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void (*_cgo_malloc)(void*) = x_cgo_malloc;
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/* Stub for calling from Go */
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/* Stub for calling free from Go */
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static void
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x_cgo_free(void *p)
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{
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