diff --git a/unix/sockcmsg_linux.go b/unix/sockcmsg_linux.go
index 326fb04..5f63147 100644
--- a/unix/sockcmsg_linux.go
+++ b/unix/sockcmsg_linux.go
@@ -67,9 +67,7 @@
 		sa := new(SockaddrInet4)
 		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 		sa.Port = int(p[0])<<8 + int(p[1])
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 
 	case m.Header.Level == SOL_IPV6 && m.Header.Type == IPV6_ORIGDSTADDR:
@@ -78,9 +76,7 @@
 		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 		sa.Port = int(p[0])<<8 + int(p[1])
 		sa.ZoneId = pp.Scope_id
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 
 	default:
diff --git a/unix/syscall_aix.go b/unix/syscall_aix.go
index d8efb71..680c954 100644
--- a/unix/syscall_aix.go
+++ b/unix/syscall_aix.go
@@ -70,9 +70,7 @@
 	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
 	p[0] = byte(sa.Port >> 8)
 	p[1] = byte(sa.Port)
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrInet4, nil
 }
 
@@ -85,9 +83,7 @@
 	p[0] = byte(sa.Port >> 8)
 	p[1] = byte(sa.Port)
 	sa.raw.Scope_id = sa.ZoneId
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrInet6, nil
 }
 
@@ -261,9 +257,7 @@
 		sa := new(SockaddrInet4)
 		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 		sa.Port = int(p[0])<<8 + int(p[1])
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 
 	case AF_INET6:
@@ -272,9 +266,7 @@
 		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 		sa.Port = int(p[0])<<8 + int(p[1])
 		sa.ZoneId = pp.Scope_id
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 	}
 	return nil, EAFNOSUPPORT
diff --git a/unix/syscall_bsd.go b/unix/syscall_bsd.go
index 95ac394..0ce4523 100644
--- a/unix/syscall_bsd.go
+++ b/unix/syscall_bsd.go
@@ -163,9 +163,7 @@
 	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
 	p[0] = byte(sa.Port >> 8)
 	p[1] = byte(sa.Port)
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
 }
 
@@ -179,9 +177,7 @@
 	p[0] = byte(sa.Port >> 8)
 	p[1] = byte(sa.Port)
 	sa.raw.Scope_id = sa.ZoneId
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
 }
 
@@ -210,9 +206,7 @@
 	sa.raw.Nlen = sa.Nlen
 	sa.raw.Alen = sa.Alen
 	sa.raw.Slen = sa.Slen
-	for i := 0; i < len(sa.raw.Data); i++ {
-		sa.raw.Data[i] = sa.Data[i]
-	}
+	sa.raw.Data = sa.Data
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrDatalink, nil
 }
 
@@ -228,9 +222,7 @@
 		sa.Nlen = pp.Nlen
 		sa.Alen = pp.Alen
 		sa.Slen = pp.Slen
-		for i := 0; i < len(sa.Data); i++ {
-			sa.Data[i] = pp.Data[i]
-		}
+		sa.Data = pp.Data
 		return sa, nil
 
 	case AF_UNIX:
@@ -262,9 +254,7 @@
 		sa := new(SockaddrInet4)
 		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 		sa.Port = int(p[0])<<8 + int(p[1])
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 
 	case AF_INET6:
@@ -273,9 +263,7 @@
 		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 		sa.Port = int(p[0])<<8 + int(p[1])
 		sa.ZoneId = pp.Scope_id
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 	}
 	return anyToSockaddrGOOS(fd, rsa)
diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index fff38a8..bc9dc2e 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -372,9 +372,7 @@
 	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
 	p[0] = byte(sa.Port >> 8)
 	p[1] = byte(sa.Port)
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrInet4, nil
 }
 
@@ -387,9 +385,7 @@
 	p[0] = byte(sa.Port >> 8)
 	p[1] = byte(sa.Port)
 	sa.raw.Scope_id = sa.ZoneId
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrInet6, nil
 }
 
@@ -438,9 +434,7 @@
 	sa.raw.Hatype = sa.Hatype
 	sa.raw.Pkttype = sa.Pkttype
 	sa.raw.Halen = sa.Halen
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrLinklayer, nil
 }
 
@@ -855,12 +849,10 @@
 	if sa.Addr == nil {
 		return nil, 0, EINVAL
 	}
-
 	sa.raw.Family = AF_TIPC
 	sa.raw.Scope = int8(sa.Scope)
 	sa.raw.Addrtype = sa.Addr.tipcAddrtype()
 	sa.raw.Addr = sa.Addr.tipcAddr()
-
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrTIPC, nil
 }
 
@@ -874,9 +866,7 @@
 func (sa *SockaddrL2TPIP) sockaddr() (unsafe.Pointer, _Socklen, error) {
 	sa.raw.Family = AF_INET
 	sa.raw.Conn_id = sa.ConnId
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrL2TPIP, nil
 }
 
@@ -892,9 +882,7 @@
 	sa.raw.Family = AF_INET6
 	sa.raw.Conn_id = sa.ConnId
 	sa.raw.Scope_id = sa.ZoneId
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrL2TPIP6, nil
 }
 
@@ -990,9 +978,7 @@
 		sa.Hatype = pp.Hatype
 		sa.Pkttype = pp.Pkttype
 		sa.Halen = pp.Halen
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 
 	case AF_UNIX:
@@ -1031,18 +1017,14 @@
 			pp := (*RawSockaddrL2TPIP)(unsafe.Pointer(rsa))
 			sa := new(SockaddrL2TPIP)
 			sa.ConnId = pp.Conn_id
-			for i := 0; i < len(sa.Addr); i++ {
-				sa.Addr[i] = pp.Addr[i]
-			}
+			sa.Addr = pp.Addr
 			return sa, nil
 		default:
 			pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
 			sa := new(SockaddrInet4)
 			p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 			sa.Port = int(p[0])<<8 + int(p[1])
-			for i := 0; i < len(sa.Addr); i++ {
-				sa.Addr[i] = pp.Addr[i]
-			}
+			sa.Addr = pp.Addr
 			return sa, nil
 		}
 
@@ -1058,9 +1040,7 @@
 			sa := new(SockaddrL2TPIP6)
 			sa.ConnId = pp.Conn_id
 			sa.ZoneId = pp.Scope_id
-			for i := 0; i < len(sa.Addr); i++ {
-				sa.Addr[i] = pp.Addr[i]
-			}
+			sa.Addr = pp.Addr
 			return sa, nil
 		default:
 			pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
@@ -1068,9 +1048,7 @@
 			p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 			sa.Port = int(p[0])<<8 + int(p[1])
 			sa.ZoneId = pp.Scope_id
-			for i := 0; i < len(sa.Addr); i++ {
-				sa.Addr[i] = pp.Addr[i]
-			}
+			sa.Addr = pp.Addr
 			return sa, nil
 		}
 
diff --git a/unix/syscall_solaris.go b/unix/syscall_solaris.go
index d2a6495..8b88ac2 100644
--- a/unix/syscall_solaris.go
+++ b/unix/syscall_solaris.go
@@ -92,9 +92,7 @@
 	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
 	p[0] = byte(sa.Port >> 8)
 	p[1] = byte(sa.Port)
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrInet4, nil
 }
 
@@ -107,9 +105,7 @@
 	p[0] = byte(sa.Port >> 8)
 	p[1] = byte(sa.Port)
 	sa.raw.Scope_id = sa.ZoneId
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrInet6, nil
 }
 
@@ -417,9 +413,7 @@
 		sa := new(SockaddrInet4)
 		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 		sa.Port = int(p[0])<<8 + int(p[1])
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 
 	case AF_INET6:
@@ -428,9 +422,7 @@
 		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 		sa.Port = int(p[0])<<8 + int(p[1])
 		sa.ZoneId = pp.Scope_id
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 	}
 	return nil, EAFNOSUPPORT
diff --git a/unix/syscall_zos_s390x.go b/unix/syscall_zos_s390x.go
index 1ffd8bf..5fb76a1 100644
--- a/unix/syscall_zos_s390x.go
+++ b/unix/syscall_zos_s390x.go
@@ -67,9 +67,7 @@
 	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
 	p[0] = byte(sa.Port >> 8)
 	p[1] = byte(sa.Port)
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
 }
 
@@ -83,9 +81,7 @@
 	p[0] = byte(sa.Port >> 8)
 	p[1] = byte(sa.Port)
 	sa.raw.Scope_id = sa.ZoneId
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
 }
 
@@ -144,9 +140,7 @@
 		sa := new(SockaddrInet4)
 		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 		sa.Port = int(p[0])<<8 + int(p[1])
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 
 	case AF_INET6:
@@ -155,9 +149,7 @@
 		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 		sa.Port = int(p[0])<<8 + int(p[1])
 		sa.ZoneId = pp.Scope_id
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 	}
 	return nil, EAFNOSUPPORT
diff --git a/windows/syscall_windows.go b/windows/syscall_windows.go
index 53ee74e..2ff6aa0 100644
--- a/windows/syscall_windows.go
+++ b/windows/syscall_windows.go
@@ -893,9 +893,7 @@
 	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
 	p[0] = byte(sa.Port >> 8)
 	p[1] = byte(sa.Port)
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
 }
 
@@ -915,9 +913,7 @@
 	p[0] = byte(sa.Port >> 8)
 	p[1] = byte(sa.Port)
 	sa.raw.Scope_id = sa.ZoneId
-	for i := 0; i < len(sa.Addr); i++ {
-		sa.raw.Addr[i] = sa.Addr[i]
-	}
+	sa.raw.Addr = sa.Addr
 	return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
 }
 
@@ -990,9 +986,7 @@
 		sa := new(SockaddrInet4)
 		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 		sa.Port = int(p[0])<<8 + int(p[1])
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 
 	case AF_INET6:
@@ -1001,9 +995,7 @@
 		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
 		sa.Port = int(p[0])<<8 + int(p[1])
 		sa.ZoneId = pp.Scope_id
-		for i := 0; i < len(sa.Addr); i++ {
-			sa.Addr[i] = pp.Addr[i]
-		}
+		sa.Addr = pp.Addr
 		return sa, nil
 	}
 	return nil, syscall.EAFNOSUPPORT