--- lbbs/src/screen.c	2025/06/16 01:36:56	1.97
+++ lbbs/src/screen.c	2025/06/17 02:06:48	1.99
@@ -14,6 +14,8 @@
  *                                                                         *
  ***************************************************************************/
 
+#define _POSIX_C_SOURCE 200809L
+
 #include "screen.h"
 #include "bbs.h"
 #include "common.h"
@@ -24,6 +26,7 @@
 #include "file_loader.h"
 #include <fcntl.h>
 #include <ctype.h>
+#include <string.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <errno.h>
@@ -32,9 +35,6 @@
 #include <sys/param.h>
 #include <sys/shm.h>
 
-#define _POSIX_C_SOURCE 200809L
-#include <string.h>
-
 #define ACTIVE_BOARD_HEIGHT 8
 
 #define STR_TOP_LEFT_MAX_LEN 40
@@ -431,7 +431,7 @@ int display_data(const void *p_data, lon
 					break;
 				}
 
-				BBS_last_access_tm = time(0);
+				BBS_last_access_tm = time(NULL);
 			}
 
 			continue;
@@ -565,7 +565,7 @@ int show_bottom(const char *msg)
 
 	len_username = (int)strnlen(BBS_username, sizeof(BBS_username));
 
-	time_online = time(0) - BBS_login_tm;
+	time_online = time(NULL) - BBS_login_tm;
 	tm_online = gmtime(&time_online);
 	if (tm_online->tm_mday > 1)
 	{
@@ -612,10 +612,10 @@ int show_active_board()
 		}
 	}
 
-	if (time(0) - t_last_show >= 10)
+	if (time(NULL) - t_last_show >= 10)
 	{
 		line_last = line_current;
-		t_last_show = time(0);
+		t_last_show = time(NULL);
 	}
 	else
 	{