try_fwrite(line, sizeof(char), strlen(line), file, f_name);
sprintf(line, "%s\n", wc->title);
try_fwrite(line, sizeof(char), strlen(line), file, f_name);
try_fwrite(line, sizeof(char), strlen(line), file, f_name);
sprintf(line, "%s\n", wc->title);
try_fwrite(line, sizeof(char), strlen(line), file, f_name);