diff -rdup microcom-1.02.speed/help.c microcom-1.02/help.c
--- microcom-1.02.speed/help.c	2007-01-19 19:44:19.000000000 +0100
+++ microcom-1.02/help.c	2007-01-19 19:48:20.000000000 +0100
@@ -23,7 +23,7 @@ extern int crnl_mapping; //0 - no mappin
 extern int script; /* script active flag */
 extern char scr_name[MAX_SCRIPT_NAME]; /* default name of the script */
 extern char device[MAX_DEVICE_NAME]; /* serial device name */
-extern int log; /* log active flag */
+extern int log_active; /* log active flag */
 extern FILE* flog;   /* log file */
 
 static int help_state = 0;
@@ -85,7 +85,7 @@ static void help_escape(void) {
 
   write(STDOUT_FILENO, str1, strlen(str1));
 
-  if (log == 0)
+  if (log_active == 0)
     write(STDOUT_FILENO, "  l - log on             \n", 26);
   else
     write(STDOUT_FILENO, "  l - log off            \n", 26);
@@ -156,11 +156,11 @@ static void help_send_escape(int fd, cha
   case 'q': /* quit help */
     break;
   case 'l': /* log on/off */
-    log = (log == 0)? 1: 0;
-    if (log) { /* open log file */
+    log_active = (log_active == 0)? 1: 0;
+    if (log_active) { /* open log file */
       if ((flog = fopen("microcom.log", "a")) == (FILE *)0) {
 	write(STDOUT_FILENO, "Cannot open microcom.log \n", 26);
-	log = 0;
+	log_active = 0;
       }
     }
     else { /* cloase log file */
diff -rdup microcom-1.02.speed/microcom.c microcom-1.02/microcom.c
--- microcom-1.02.speed/microcom.c	2000-08-27 17:22:47.000000000 +0200
+++ microcom-1.02/microcom.c	2007-01-19 19:48:37.000000000 +0100
@@ -25,7 +25,7 @@ int crnl_mapping; //0 - no mapping, 1 ma
 int script = 0; /* script active flag */
 char scr_name[MAX_SCRIPT_NAME] = "script.scr"; /* default name of the script */
 char device[MAX_DEVICE_NAME]; /* serial device name */
-int log = 0; /* log active flag */
+int log_active = 0; /* log active flag */
 FILE* flog;   /* log file */
 int  pf = 0;  /* port file descriptor */
 struct termios pots; /* old port termios settings to restore */
@@ -106,7 +106,7 @@ void main_usage(int exitcode, char *str,
 /* restore original terminal settings on exit */
 void cleanup_termios(int signal) {
   /* cloase the log file first */
-  if (log) {
+  if (log_active) {
     fflush(flog);
     fclose(flog);
   }
diff -rdup microcom-1.02.speed/mux.c microcom-1.02/mux.c
--- microcom-1.02.speed/mux.c	2000-07-30 06:15:47.000000000 +0200
+++ microcom-1.02/mux.c	2007-01-19 19:48:48.000000000 +0100
@@ -24,7 +24,7 @@
 
 extern int script;
 extern char scr_name[];
-extern int log;
+extern int log_active;
 extern FILE* flog;
 
 void mux_clear_sflag(void) {
@@ -71,7 +71,7 @@ void mux_loop(int pf) {
       i = read(pf, buf, BUFSIZE);
       if (i > 0) {
 	write(STDOUT_FILENO, buf, i);
-	if (log)
+	if (log_active)
 	  fwrite(buf, 1, i, flog);
 	if (script) {
 	  i = script_process(S_DCE, buf, i);