yes

src/lexicalStructure.lex

@@ -63,7 +63,7 @@ SCHAR \\n|\\t|\\\"|[^\"\n\\]
 '{CHAR}'  {
     if (tok_flag) print_tok(C_CHARACTER);
     incr(line_number, column_number, C_CHARACTER);
-0
+    
     int value;
     if (strcmp(yytext, "'\\n'") == 0) value = 0x0A;
     else if (strcmp(yytext, "'\\t'") == 0) value = 0x09;