prio-queue: add 'peek' operation

diff --git a/line-range.h b/line-range.h
index 83ba3c25e88a4601dc17ce01dc57dfbc33c05b2e..d3c54e45aa8a8e488778bbc7db1c6a5c0f602ab2 100644 (file)
--- a/line-range.h
+++ b/line-range.h
@@ -19,11 +19,11 @@
 
 typedef const char *(*nth_line_fn_t)(void *data, long lno);
 
-extern int parse_range_arg(const char *arg,
-                          nth_line_fn_t nth_line_cb,
-                          void *cb_data, long lines, long anchor,
-                          long *begin, long *end,
-                          const char *path);
+int parse_range_arg(const char *arg,
+                   nth_line_fn_t nth_line_cb,
+                   void *cb_data, long lines, long anchor,
+                   long *begin, long *end,
+                   const char *path);
 
 /*
  * Scan past a range argument that could be parsed by
@@ -34,6 +34,6 @@ extern int parse_range_arg(const char *arg,
  * NULL in case the argument is obviously malformed.
  */
 
-extern const char *skip_range_arg(const char *arg);
+const char *skip_range_arg(const char *arg);
 
 #endif /* LINE_RANGE_H */