1 files changed, 2 insertions, 0 deletions
diff --git a/tools.h b/tools.h
index 3bd1b20..121f1a6 100644
--- a/tools.h
+++ b/tools.h
@@ -12,6 +12,8 @@
 
 int pcilib_isnumber(const char *str);
 int pcilib_isxnumber(const char *str);
+int pcilib_isnumber_n(const char *str, size_t len);
+int pcilib_isxnumber_n(const char *str, size_t len);
 
 uint16_t pcilib_swap16(uint16_t x);
 uint32_t pcilib_swap32(uint32_t x);