+#define MAXLINE 1024
+
+/* regex matching blank lines or comments */
+#define REGEX_IGNORE "^[[:space:]]*(#|$)"
+#define REGEX_IGNORE_FLAGS REG_EXTENDED|REG_NOSUB
+
+/* regex matching foo = "bar", with arbitrary whitespace at beginning and end
+ of line and surrounding the = */
+#define REGEX_CONFIG1 "^[[:space:]]*([^=[:space:]]+)[[:space:]]*=[[:space:]]*\"(.*)\"[[:space:]]*$"
+#define REGEX_CONFIG1_FLAGS REG_EXTENDED
+
+/* regex matching foo = bar, with arbitrary whitespace at beginning of line and
+ surrounding the = */
+#define REGEX_CONFIG2 "^[[:space:]]*([^=[:space:]]+)[[:space:]]*=[[:space:]]*(.*)$"
+#define REGEX_CONFIG2_FLAGS REG_EXTENDED|REG_NEWLINE
+