#ifndef ROW_H_ #define ROW_H_ int row_cx_to_rx(row *row, int cx); void update_row(row *row); void insert_row(int at, char *s, size_t len); void free_row(row *row); void del_row(int at); void row_insert_char(row *row, int at, int c); void row_append_str(row *row, char *s, size_t len); void row_del_char(row *row, int at); char *rows_to_str(int *buflen); #endif