diff --git a/userspace/lib/ygglibc/src/headers/string/mem.rs b/userspace/lib/ygglibc/src/headers/string/mem.rs
index e390c663..b4c3d954 100644
--- a/userspace/lib/ygglibc/src/headers/string/mem.rs
+++ b/userspace/lib/ygglibc/src/headers/string/mem.rs
@@ -91,3 +91,8 @@ pub unsafe extern "C" fn memmove(dst: *mut c_void, src: *const c_void, n: usize)
 pub unsafe extern "C" fn memcmp(s1: *const c_void, s2: *const c_void, n: usize) -> c_int {
     compiler_builtins::mem::memcmp(s1.cast(), s2.cast(), n)
 }
+
+#[no_mangle]
+pub unsafe extern "C" fn bcmp(s1: *const c_void, s2: *const c_void, n: usize) -> c_int {
+    compiler_builtins::mem::bcmp(s1.cast(), s2.cast(), n)
+}