starting to add timing to vm driver

[dcpu16] / common.h

diff --git a/common.h b/common.h
index 80ed333868f780f0a77156a6041d3f6274329004..02db4d77fdc131f63166d63d9cdb5d0ecca7d73c 100644 (file)
--- a/common.h
+++ b/common.h
@@ -21,4 +21,6 @@ int str_to_word(char *s);
 
 char *strqtok_r(char *str, const char *sep, int esc, const char *quote, char **lastq, char **lasts);
 
+int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y);
+
 #endif /* COMMON_H_QPRCB1BH */