1 files changed, 25 insertions, 0 deletions
diff --git a/reference/C/CONTRIB/OR_PRACTICAL_C/gen.h b/reference/C/CONTRIB/OR_PRACTICAL_C/gen.h
new file mode 100644
index 0000000..b8f342a
--- /dev/null
+++ b/reference/C/CONTRIB/OR_PRACTICAL_C/gen.h
@@ -0,0 +1,25 @@
+/********************************************************
+ * gen.h -- general purpose macros.                     *
+ ********************************************************/
+
+/*
+ * Define a boolean type 
+ */
+#ifndef TRUE
+typedef int boolean;
+#define TRUE 1
+#define FALSE 0
+#endif /* TRUE */
+
+/********************************************************
+ * SKIP_WHITESPACE -- move a character pointer          *
+ *      past whitespace                                 *
+ *                                                      *
+ * Parameters                                           *
+ *      cur_char -- pointer to current character        *
+ *              (will be moved)                         *
+ ********************************************************/
+/* Move past whitespace */
+#define SKIP_WHITESPACE(cur_char) \
+    while ((*(cur_char) <= ' ') && (*(cur_char) != '\0')) \
+        (cur_char)++;