Add i64toa function

Print now support printing signed values

1 files changed, 2 insertions, 0 deletions

diff --git a/include/utils.h b/include/utils.h
index 69197d9..ee2b98a 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -32,6 +32,8 @@ extern void str_cat(char* out, const char* str, size_t c_str);
 
 extern void u64toa(u64 number, char* str, u32 base);
 
+extern void i64toa(i64 number, char* str, u32 base);
+
 extern u64 atou64(const char* str, u32 len);
 
 extern u8 read_memory(const void* addr, void* buffer, size_t size);