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[PATCH 02/12] attr.h: drop extern from function declaration

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
 attr.h | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/attr.h b/attr.h
index 442d464db6..46340010bb 100644
--- a/attr.h
+++ b/attr.h
@@ -42,31 +42,31 @@ struct attr_check {
 	struct attr_stack *stack;
-extern struct attr_check *attr_check_alloc(void);
-extern struct attr_check *attr_check_initl(const char *, ...);
-extern struct attr_check *attr_check_dup(const struct attr_check *check);
+struct attr_check *attr_check_alloc(void);
+struct attr_check *attr_check_initl(const char *, ...);
+struct attr_check *attr_check_dup(const struct attr_check *check);
-extern struct attr_check_item *attr_check_append(struct attr_check *check,
-						 const struct git_attr *attr);
+struct attr_check_item *attr_check_append(struct attr_check *check,
+					  const struct git_attr *attr);
-extern void attr_check_reset(struct attr_check *check);
-extern void attr_check_clear(struct attr_check *check);
-extern void attr_check_free(struct attr_check *check);
+void attr_check_reset(struct attr_check *check);
+void attr_check_clear(struct attr_check *check);
+void attr_check_free(struct attr_check *check);
  * Return the name of the attribute represented by the argument.  The
  * return value is a pointer to a null-delimited string that is part
  * of the internal data structure; it should not be modified or freed.
-extern const char *git_attr_name(const struct git_attr *);
+const char *git_attr_name(const struct git_attr *);
-extern int git_check_attr(const char *path, struct attr_check *check);
+int git_check_attr(const char *path, struct attr_check *check);
  * Retrieve all attributes that apply to the specified path.
  * check holds the attributes and their values.
-extern void git_all_attrs(const char *path, struct attr_check *check);
+void git_all_attrs(const char *path, struct attr_check *check);
 enum git_attr_direction {
@@ -76,6 +76,6 @@ enum git_attr_direction {
 void git_attr_set_direction(enum git_attr_direction new_direction,
 			    struct index_state *istate);
-extern void attr_start(void);
+void attr_start(void);
 #endif /* ATTR_H */