-char * range_error = "expression out of range";
-char * abs_error = "illegal absolute expression";
-char * seg_error = "bad (section) expression";
-char * rel_error = "illegal relative address";
-char * siz_error = "bad size specified";
-char * undef_error = "undefined expression";
-char * fwd_error = "forward or undefined expression";
+char range_error[] = "expression out of range";
+char abs_error[] = "illegal absolute expression";
+char seg_error[] = "bad (section) expression";
+char rel_error[] = "illegal relative address";
+char siz_error[] = "bad size specified";
+char undef_error[] = "undefined expression";
+char fwd_error[] = "forward or undefined expression";