1 files changed, 1 insertions, 13 deletions
diff --git a/src/util/io.cc b/src/util/io.cc
index 09479e6..e1960ae 100644
--- a/src/util/io.cc
+++ b/src/util/io.cc
@@ -130,7 +130,7 @@ void wrap_eliminator(char *s, char replacement)
             s[i] = replacement;
 }
 
-void write_helper(const char *s)
+void _write_helper(const char *s)
 {
     int errno_old = errno;
 
@@ -142,18 +142,6 @@ void write_helper(const char *s)
 }
 
 /*
- * usage - print a help message
- */
-void usage(void) 
-{
-    printf("Usage: shell [-hvp]\n");
-    printf("   -h   print this message\n");
-    printf("   -v   print additional diagnostic information\n");
-    printf("   -p   do not emit a command prompt\n");
-    exit(1);
-}
-
-/*
  * unix_error - unix-style error routine
  */
 void unix_error(const char *msg)