--- iocccsize.orig.c	2018-01-13 10:01:16.000000000 -0600
+++ iocccsize.c	2018-01-14 16:23:57.000000000 -0600
@@ -181,6 +181,7 @@
 	{ STRLEN("#ident"), "#ident" },
 	{ STRLEN("#if"), "#if" },
 	{ STRLEN("#ifdef"), "#ifdef" },
+	{ STRLEN("#ifndef"), "#ifndef" },	/* XXX bugfix */
 	{ STRLEN("#include"), "#include" },
 	{ STRLEN("#line"), "#line" },
 	{ STRLEN("#pragma"), "#pragma" },
@@ -225,7 +226,7 @@
 	{ STRLEN("float"), "float" },
 	{ STRLEN("for"), "for" },
 	{ STRLEN("goto"), "goto" },
-	{ STRLEN("I"), "I" },
+	/* { STRLEN("I"), "I" }, */		/* XXX seriously? */
 	{ STRLEN("if"), "if" },
 	{ STRLEN("inline"), "inline" },
 	{ STRLEN("int"), "int" },
@@ -365,6 +366,7 @@
 	int lcount, wcount, bcount;
 	int is_comment, is_word, dquote, escape;
 	int count, keywords, saved, kw_saved;
+	int squote;
 
 	/* Start of buffer sentinel. */
 	buf[0] = ' ';
@@ -374,6 +376,7 @@
 	keywords = kw_saved = 0;
 	lcount = wcount = bcount = 0;
 	is_comment = is_word = dquote = escape = 0;
+	squote = 0;
 
 	/*
 	 * "no matter how well you may think you understand this code,
@@ -422,6 +425,15 @@
 				}
 			}
 
+			else if (squote) {
+				if (escape)
+					escape = 0;
+				else if (*p == '\\')
+					escape = 1;
+				else if (*p == '\'')
+					squote = 0;
+			}
+
 			/* Not quote string. */
 			else {
 				/* In C comment block? */
@@ -499,6 +511,11 @@
 					}
 				}
 
+				/* Open single quote string? */
+				else if (*p == '\'') {
+					squote = 1;
+				}
+
 				/* Open quoted string? */
 				else if (*p == '"') {
 					dquote = 1;