cgit

diff --git a/ui-diff.h b/ui-diff.h
index 04f90293d132ce6581ae4258f820a9256930479a..382e8c559b9621dbbcfac1aa23d66c1af18ec06c 100644
--- a/ui-diff.h
+++ b/ui-diff.h
@@ -1,7 +1,7 @@
 #ifndef UI_DIFF_H
 #define UI_DIFF_H
 
-extern void cgit_print_diff_ctrls();
+extern void cgit_print_diff_ctrls(void);
 
 extern void cgit_print_diff(const char *new_hex, const char *old_hex,
 			    const char *prefix, int show_ctrls, int raw);




diff --git a/ui-refs.h b/ui-refs.h
index b35c04aa2f6dbd0c21e7155713ef7464a5cc87e0..1d4a54a2c86935c54a70877f33e9ea75bfa1d1be 100644
--- a/ui-refs.h
+++ b/ui-refs.h
@@ -3,6 +3,6 @@ #define UI_REFS_H
 
 extern void cgit_print_branches(int maxcount);
 extern void cgit_print_tags(int maxcount);
-extern void cgit_print_refs();
+extern void cgit_print_refs(void);
 
 #endif /* UI_REFS_H */




diff --git a/ui-repolist.h b/ui-repolist.h
index 5b1e5427ef2b364348531a398497983c7ab6f0f3..1b6b3227dbc00fa62816aea328d6c06192cc5507 100644
--- a/ui-repolist.h
+++ b/ui-repolist.h
@@ -1,7 +1,7 @@
 #ifndef UI_REPOLIST_H
 #define UI_REPOLIST_H
 
-extern void cgit_print_repolist();
-extern void cgit_print_site_readme();
+extern void cgit_print_repolist(void);
+extern void cgit_print_site_readme(void);
 
 #endif /* UI_REPOLIST_H */




diff --git a/ui-shared.h b/ui-shared.h
index 474e0c5ef2c008a6b13b865a30cfa3f4ee7aef22..de08e1b383932d19919fe0d75418327016d6f4c4 100644
--- a/ui-shared.h
+++ b/ui-shared.h
@@ -1,11 +1,11 @@
 #ifndef UI_SHARED_H
 #define UI_SHARED_H
 
-extern const char *cgit_httpscheme();
-extern char *cgit_hosturl();
-extern const char *cgit_rooturl();
-extern char *cgit_currenturl();
-extern const char *cgit_loginurl();
+extern const char *cgit_httpscheme(void);
+extern char *cgit_hosturl(void);
+extern const char *cgit_rooturl(void);
+extern char *cgit_currenturl(void);
+extern const char *cgit_loginurl(void);
 extern char *cgit_repourl(const char *reponame);
 extern char *cgit_fileurl(const char *reponame, const char *pagename,
 			  const char *filename, const char *query);
@@ -66,7 +66,7 @@ extern void cgit_print_age(time_t t, time_t max_relative, const char *format);
 extern void cgit_print_http_headers(void);
 extern void cgit_redirect(const char *url, bool permanent);
 extern void cgit_print_docstart(void);
-extern void cgit_print_docend();
+extern void cgit_print_docend(void);
 __attribute__((format (printf,3,4)))
 extern void cgit_print_error_page(int code, const char *msg, const char *fmt, ...);
 extern void cgit_print_pageheader(void);




diff --git a/ui-ssdiff.h b/ui-ssdiff.h
index 88627e297c8b2091919e6274010d2bb7812ca067..11f2714407c72e3188ab1d1330cca3ad87fe1ad4 100644
--- a/ui-ssdiff.h
+++ b/ui-ssdiff.h
@@ -13,13 +13,13 @@ #define MAX_SSDIFF_N 128
 #endif
 #define MAX_SSDIFF_SIZE ((MAX_SSDIFF_M) * (MAX_SSDIFF_N))
 
-extern void cgit_ssdiff_print_deferred_lines();
+extern void cgit_ssdiff_print_deferred_lines(void);
 
 extern void cgit_ssdiff_line_cb(char *line, int len);
 
-extern void cgit_ssdiff_header_begin();
-extern void cgit_ssdiff_header_end();
+extern void cgit_ssdiff_header_begin(void);
+extern void cgit_ssdiff_header_end(void);
 
-extern void cgit_ssdiff_footer();
+extern void cgit_ssdiff_footer(void);
 
 #endif /* UI_SSDIFF_H */




diff --git a/ui-summary.h b/ui-summary.h
index c01f56012dcdcd64f39f6935c20eb5d18efb1b33..089665095ed852a971dc3e9d486cbb0b72a52197 100644
--- a/ui-summary.h
+++ b/ui-summary.h
@@ -1,7 +1,7 @@
 #ifndef UI_SUMMARY_H
 #define UI_SUMMARY_H
 
-extern void cgit_print_summary();
+extern void cgit_print_summary(void);
 extern void cgit_print_repo_readme(char *path);
 
 #endif /* UI_SUMMARY_H */