Add reserved word: DBL_DIG.
Change on 2018/11/26 by antoniocortes
@@ -100,6 +100,9 @@ SEEK_SET SEEK_CUR SEEK_END
O_RDONLY O_WRONLY O_RDWR O_ACCMODE O_NONBLOCK O_APPEND O_SYNC O_CREAT
O_TRUNC O_EXCL O_NOCTTY O_NOFOLLOW
+# Definitions from float.h
+DBL_DIG
+
# Definitions from math.h
DOMAIN HUGE INFINITY NAN OVERFLOW SING UNDERFLOW signgam
