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-rw-r--r--src/libcore/lib.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libcore/lib.rs b/src/libcore/lib.rs
index 9e3a92981e5..4102c72d8b6 100644
--- a/src/libcore/lib.rs
+++ b/src/libcore/lib.rs
@@ -18,6 +18,9 @@
 //! * `memcpy`, `memcmp`, `memset` - These are core memory routines which are
 //!   often generated by LLVM. Additionally, this library can make explicit
 //!   calls to these funcitons. Their signatures are the same as found in C.
+//!   These functions are often provided by the system libc, but can also be
+//!   provided by `librlibc` which is distributed with the standard rust
+//!   distribution.
 //!
 //! * `rust_begin_unwind` - This function takes three arguments, a
 //!   `&fmt::Arguments`, a `&str`, and a `uint. These three arguments dictate