-XBT_PUBLIC(void) xbt_str_rtrim(char* s, const char* char_list);
-XBT_PUBLIC(void) xbt_str_ltrim( char* s, const char* char_list);
-XBT_PUBLIC(void) xbt_str_trim(char* s, const char* char_list);
+XBT_PUBLIC(void) xbt_str_rtrim(char *s, const char *char_list);
+XBT_PUBLIC(void) xbt_str_ltrim(char *s, const char *char_list);
+XBT_PUBLIC(void) xbt_str_trim(char *s, const char *char_list);