1 files changed, 3 insertions, 1 deletions

diff --git a/include/libbb.h b/include/libbb.h
index 66acc2278..df52027ce 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -212,7 +212,7 @@ char *xreadlink(const char *path);
 char *concat_path_file(const char *path, const char *filename);
 char *last_char_is(const char *s, int c);
 
-extern long arith (const char *startbuf);
+extern long arith (const char *startbuf, int *errcode);
 
 typedef struct file_headers_s {
         char *name;
@@ -261,6 +261,8 @@ char *dirname (const char *path);
 
 int make_directory (char *path, mode_t mode, int flags);
 
+const char *u_signal_names(const char *str_sig, int *signo, int startnum);
+
 #define CT_AUTO 0
 #define CT_UNIX2DOS     1
 #define CT_DOS2UNIX     2