diff --git a/cper-utils.h b/cper-utils.h
index a0d0af9..2ef9001 100644
--- a/cper-utils.h
+++ b/cper-utils.h
@@ -9,11 +9,16 @@
 json_object* uniform_struct64_to_ir(UINT64* start, int len, const char* names[]);
 json_object* integer_to_readable_pair(UINT64 value, int len, int keys[], const char* values[], const char* default_value);
 json_object* integer_to_readable_pair_with_desc(int value, int len, int keys[], const char* values[], const char* descriptions[], const char* default_value);
+UINT64 readable_pair_to_integer(json_object* pair);
 json_object* bitfield_to_ir(UINT64 bitfield, int num_fields, const char* names[]);
+UINT64 ir_to_bitfield(json_object* ir, int num_fields, const char* names[]);
 json_object* uint64_array_to_ir_array(UINT64* array, int len);
 json_object* revision_to_ir(UINT16 revision);
 const char* severity_to_string(UINT8 severity);
+void timestamp_to_string(char* out, EFI_ERROR_TIME_STAMP* timestamp);
+void string_to_timestamp(EFI_ERROR_TIME_STAMP* out, const char* timestamp);
 void guid_to_string(char* out, EFI_GUID* guid);
+void string_to_guid(EFI_GUID* out, const char* guid);
 int guid_equal(EFI_GUID* a, EFI_GUID* b);
 int bcd_to_int(UINT8 bcd);