1 files changed, 7 insertions, 7 deletions
diff --git a/str.h b/str.h
index e00773c..ab4aedd 100644
--- a/str.h
+++ b/str.h
@@ -1,13 +1,13 @@
 #ifndef STR_H
 #define STR_H
 
-extern unsigned int str_copy();
-extern int str_diff();
-extern int str_diffn();
-extern unsigned int str_len();
-extern unsigned int str_chr();
-extern unsigned int str_rchr();
-extern int str_start();
+extern unsigned int str_copy(char *,char *);
+extern int str_diff(char *,char *);
+extern int str_diffn(char *,char *,unsigned int);
+extern unsigned int str_len(char *);
+extern unsigned int str_chr(char *,int);
+extern unsigned int str_rchr(char *,int);
+extern int str_start(char *,char *);
 
 #define str_equal(s,t) (!str_diff((s),(t)))