--- bc/main.c
+++ bc/main.c
@@ -44,14 +44,14 @@
 /* long option support */
 static struct option long_options[] =
 {
-  {"compile",  0, &compile_only, TRUE},
-  {"help",     0, 0,             'h'},
-  {"interactive", 0, 0,          'i'},
-  {"mathlib",  0, &use_math,     TRUE},
-  {"quiet",    0, &quiet,        TRUE},
-  {"standard", 0, &std_only,     TRUE},
-  {"version",  0, 0,             'v'},
-  {"warn",     0, &warn_not_std, TRUE},
+  {"compile",     0, 0, 'c'},
+  {"help",        0, 0, 'h'},
+  {"interactive", 0, 0, 'i'},
+  {"mathlib",     0, 0, 'l'},
+  {"quiet",       0, 0, 'q'},
+  {"standard",    0, 0, 's'},
+  {"version",     0, 0, 'v'},
+  {"warn",        0, 0, 'w'},
 
   {0, 0, 0, 0}
 };