Use include <cstring> and std::memcpy etc

tests/test_server_connection_return.cpp

@@ -3,6 +3,7 @@
 #include "connection.hpp"
 #include "perfetto_categories.hpp"
 #include "server.hpp"
+#include <cstring>
 #include <doctest/doctest.h>
 #include <thread>
 
@@ -71,9 +72,9 @@ TEST_CASE(
   const char *test_message = "Hello, World!";
   ssize_t bytes_written;
   do {
-    bytes_written = write(client_fd, test_message, strlen(test_message));
+    bytes_written = write(client_fd, test_message, std::strlen(test_message));
   } while (bytes_written == -1 && errno == EINTR);
-  REQUIRE(bytes_written == strlen(test_message));
+  REQUIRE(bytes_written == std::strlen(test_message));
 
   // Read the echoed response
   char buffer[1024] = {0};
@@ -84,7 +85,7 @@ TEST_CASE(
   if (bytes_read == -1) {
     perror("read failed");
   }
-  REQUIRE(bytes_read == strlen(test_message));
+  REQUIRE(bytes_read == std::strlen(test_message));
 
   // Verify we got back exactly what we sent
   CHECK(std::string(buffer, bytes_read) == std::string(test_message));
@@ -93,7 +94,7 @@ TEST_CASE(
   int e = close(client_fd);
   if (e == -1 && errno != EINTR) {
     perror("close client_fd");
-    abort();
+    std::abort();
   }
   server->shutdown();
   server_thread.join();