ifconfig: code shrink

adjtimex: code shrink
libbb: move nth_string function into libbb
hdparm: nth_string was here

   text    data     bss     dec     hex filename
 730013   10334   12032  752379   b7afb busybox_old
 730093   10134   12032  752259   b7a83 busybox_unstripped

1 files changed, 7 insertions, 4 deletions

diff --git a/include/libbb.h b/include/libbb.h
index 71f439fa9..77c678cee 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -846,10 +846,13 @@ extern int correct_password(const struct passwd *pw);
 /* Returns a ptr to static storage */
 extern char *pw_encrypt(const char *clear, const char *salt);
 extern int obscure(const char *old, const char *newval, const struct passwd *pwdp);
-extern int index_in_str_array(const char *const string_array[], const char *key);
-extern int index_in_strings(const char *strings, const char *key);
-extern int index_in_substr_array(const char *const string_array[], const char *key);
-extern int index_in_substrings(const char *strings, const char *key);
+
+int index_in_str_array(const char *const string_array[], const char *key);
+int index_in_strings(const char *strings, const char *key);
+int index_in_substr_array(const char *const string_array[], const char *key);
+int index_in_substrings(const char *strings, const char *key);
+const char *nth_string(const char *strings, int n);
+
 extern void print_login_issue(const char *issue_file, const char *tty);
 extern void print_login_prompt(void);