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Document std::libc::c_void. #7690

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7 changes: 7 additions & 0 deletions src/libstd/libc.rs
Original file line number Diff line number Diff line change
Expand Up @@ -186,6 +186,13 @@ pub mod types {
// Standard types that are opaque or common, so are not per-target.
pub mod common {
pub mod c95 {
/**
Type used to construct void pointers for use with C.

This type is only useful as a pointer target. Do not use it as a
return type for FFI functions which have the `void` return type in
C. Use the unit type `()` or omit the return type instead.
*/
pub enum c_void {}
pub enum FILE {}
pub enum fpos_t {}
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