pr "#include <stdio.h>\n";
pr "#include <stdlib.h>\n";
pr "#include <string.h>\n";
pr "#include <stdio.h>\n";
pr "#include <stdlib.h>\n";
pr "#include <string.h>\n";
pr " if (%s == NULL) return -1;\n" name
| OptString name ->
pr " %s = STRNEQ (argv[i], \"\") ? argv[i] : NULL;\n" name;
pr " if (%s == NULL) return -1;\n" name
| OptString name ->
pr " %s = STRNEQ (argv[i], \"\") ? argv[i] : NULL;\n" name;