diff --git a/libc/include/sys/socket.h b/libc/include/sys/socket.h
index 2dc54aa..6875d7f 100644
--- a/libc/include/sys/socket.h
+++ b/libc/include/sys/socket.h
@@ -325,140 +325,9 @@
 __socketcall ssize_t recvfrom(int, void*, size_t, int, struct sockaddr*,
         socklen_t*) __overloadable __RENAME_CLANG(recvfrom);
 
-extern ssize_t __sendto_chk(int, const void*, size_t, size_t, int, const struct sockaddr*,
-        socklen_t) __INTRODUCED_IN(26);
-ssize_t __recvfrom_chk(int, void*, size_t, size_t, int, struct sockaddr*,
-        socklen_t*) __INTRODUCED_IN(21);
-
-#if defined(__BIONIC_FORTIFY)
-
-#define __recvfrom_bad_size "recvfrom called with size bigger than buffer"
-#define __sendto_bad_size "sendto called with size bigger than buffer"
-#if defined(__clang__)
-#if __ANDROID_API__ >= __ANDROID_API_N__
-__BIONIC_ERROR_FUNCTION_VISIBILITY
-ssize_t recvfrom(int fd, void* const buf __pass_object_size0, size_t len,
-                 int flags, struct sockaddr* src_addr, socklen_t* addr_len)
-        __overloadable
-        __enable_if(__bos(buf) != __BIONIC_FORTIFY_UNKNOWN_SIZE &&
-                    __bos(buf) < len, "selected when the buffer is too small")
-        __errorattr(__recvfrom_bad_size);
-
-__BIONIC_FORTIFY_INLINE
-ssize_t recvfrom(int fd, void* const buf __pass_object_size0, size_t len,
-                 int flags, struct sockaddr* src_addr, socklen_t* addr_len)
-      __overloadable {
-  size_t bos = __bos0(buf);
-
-  if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
-    return __call_bypassing_fortify(recvfrom)(fd, buf, len, flags, src_addr,
-              addr_len);
-  }
-
-  return __recvfrom_chk(fd, buf, len, bos, flags, src_addr, addr_len);
-}
-#endif /* __ANDROID_API__ >= __ANDROID_API_N__ */
-
-#if __ANDROID_API__ >= __ANDROID_API_N_MR1__
-__BIONIC_ERROR_FUNCTION_VISIBILITY
-ssize_t sendto(int fd, const void* buf, size_t len, int flags,
-               const struct sockaddr* dest_addr, socklen_t addr_len)
-        __overloadable
-        __enable_if(__bos0(buf) != __BIONIC_FORTIFY_UNKNOWN_SIZE &&
-                    __bos0(buf) < len, "selected when the buffer is too small")
-        __errorattr(__sendto_bad_size);
-
-__BIONIC_FORTIFY_INLINE
-ssize_t sendto(int fd, const void* const buf __pass_object_size0, size_t len,
-               int flags, const struct sockaddr* dest_addr, socklen_t addr_len)
-      __overloadable {
-  size_t bos = __bos0(buf);
-
-  if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
-    return __call_bypassing_fortify(sendto)(fd, buf, len, flags, dest_addr,
-              addr_len);
-  }
-
-  return __sendto_chk(fd, buf, len, bos, flags, dest_addr, addr_len);
-}
-
-__BIONIC_ERROR_FUNCTION_VISIBILITY
-ssize_t send(int socket, const void* buf, size_t len, int flags)
-        __overloadable
-        __enable_if(__bos0(buf) != __BIONIC_FORTIFY_UNKNOWN_SIZE &&
-                    __bos0(buf) < len, "selected when the buffer is too small")
-        __errorattr("send called with size bigger than buffer");
-#endif /* __ANDROID_API__ >= __ANDROID_API_N_MR1__ */
-
-#else /* defined(__clang__) */
-ssize_t __recvfrom_real(int, void*, size_t, int, struct sockaddr*, socklen_t*) __RENAME(recvfrom);
-__errordecl(__recvfrom_error, __recvfrom_bad_size);
-
-extern ssize_t __sendto_real(int, const void*, size_t, int, const struct sockaddr*, socklen_t)
-        __RENAME(sendto);
-__errordecl(__sendto_error, __sendto_bad_size);
-
-#if __ANDROID_API__ >= __ANDROID_API_N__
-__BIONIC_FORTIFY_INLINE
-ssize_t recvfrom(int fd, void* buf, size_t len, int flags,
-                 struct sockaddr* src_addr, socklen_t* addr_len) {
-  size_t bos = __bos0(buf);
-
-  if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
-    return __recvfrom_real(fd, buf, len, flags, src_addr, addr_len);
-  }
-
-  if (__builtin_constant_p(len) && (len <= bos)) {
-    return __recvfrom_real(fd, buf, len, flags, src_addr, addr_len);
-  }
-
-  if (__builtin_constant_p(len) && (len > bos)) {
-    __recvfrom_error();
-  }
-
-  return __recvfrom_chk(fd, buf, len, bos, flags, src_addr, addr_len);
-}
-#endif /* __ANDROID_API__ >= __ANDROID_API_N__ */
-
-#if __ANDROID_API__ >= __ANDROID_API_N_MR1__
-__BIONIC_FORTIFY_INLINE
-ssize_t sendto(int fd, const void* buf, size_t len, int flags,
-               const struct sockaddr* dest_addr, socklen_t addr_len) {
-  size_t bos = __bos0(buf);
-
-  if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
-    return __sendto_real(fd, buf, len, flags, dest_addr, addr_len);
-  }
-
-  if (__builtin_constant_p(len) && (len <= bos)) {
-    return __sendto_real(fd, buf, len, flags, dest_addr, addr_len);
-  }
-
-  if (__builtin_constant_p(len) && (len > bos)) {
-    __sendto_error();
-  }
-
-  return __sendto_chk(fd, buf, len, bos, flags, dest_addr, addr_len);
-}
-#endif /* __ANDROID_API__ >= __ANDROID_API_N_MR1__ */
-
-#endif /* defined(__clang__) */
-#undef __recvfrom_bad_size
-#undef __sendto_bad_size
-
-__BIONIC_FORTIFY_INLINE
-ssize_t recv(int socket, void* const buf __pass_object_size0, size_t len,
-             int flags) __overloadable {
-  return recvfrom(socket, buf, len, flags, NULL, 0);
-}
-
-__BIONIC_FORTIFY_INLINE
-ssize_t send(int socket, const void* const buf __pass_object_size0, size_t len, int flags)
-        __overloadable {
-  return sendto(socket, buf, len, flags, NULL, 0);
-}
-
-#endif /* __BIONIC_FORTIFY */
+#if defined(__BIONIC_INCLUDE_FORTIFY_HEADERS)
+#include <bits/fortify/socket.h>
+#endif
 
 #undef __socketcall