--- dev86-0.16.19/bcc/bcc.c
+++ dev86-0.16.19/bcc/bcc.c
@@ -596,12 +597,17 @@
    }
 }
 
-void
-command_reset()
-{
 #ifndef MAXPATHLEN
+#ifdef PATH_MAX
+#define MAXPATHLEN PATH_MAX
+#else
 #define MAXPATHLEN 1024
 #endif
+#endif
+
+void
+command_reset()
+{
    char buf[MAXPATHLEN];
    char ** prefix;
    char * saved_cmd;