diff --git a/Userland/Libraries/LibC/string.cpp b/Userland/Libraries/LibC/string.cpp
index 88f57bb8f7..cb30931cba 100644
--- a/Userland/Libraries/LibC/string.cpp
+++ b/Userland/Libraries/LibC/string.cpp
@@ -151,6 +151,19 @@ void* memcpy(void* dest_ptr, void const* src_ptr, size_t n)
 #endif
 }
 
+// https://pubs.opengroup.org/onlinepubs/9699919799/functions/memccpy.html
+void* memccpy(void* dest_ptr, void const* src_ptr, int c, size_t n)
+{
+    u8* pd = static_cast<u8*>(dest_ptr);
+    u8 const* ps = static_cast<u8 const*>(src_ptr);
+    for (; n--; pd++, ps++) {
+        *pd = *ps;
+        if (*pd == static_cast<u8>(c))
+            return pd + 1;
+    }
+    return nullptr;
+}
+
 // https://pubs.opengroup.org/onlinepubs/9699919799/functions/memset.html
 // For x86-64, an optimized ASM implementation is found in ./arch/x86_64/memset.S
 #if ARCH(X86_64)
diff --git a/Userland/Libraries/LibC/string.h b/Userland/Libraries/LibC/string.h
index 0d96455205..657aa41369 100644
--- a/Userland/Libraries/LibC/string.h
+++ b/Userland/Libraries/LibC/string.h
@@ -34,6 +34,7 @@ int strncmp(char const*, char const*, size_t);
 int memcmp(void const*, void const*, size_t);
 int timingsafe_memcmp(void const*, void const*, size_t);
 void* memcpy(void*, void const*, size_t);
+void* memccpy(void*, void const*, int, size_t);
 void* memmove(void*, void const*, size_t);
 void* memchr(void const*, int c, size_t);
 void* memmem(void const* haystack, size_t, void const* needle, size_t);