- int (*roffspecial)(void *, int, int *, char **, char **);
+ int (*roffblkheadin)(void *, int, int *, char **);
+ int (*roffblkheadout)(void *, int);
+ int (*roffblkbodyin)(void *, int, int *, char **);
+ int (*roffblkbodyout)(void *, int);
+ int (*roffspecial)(void *, int, const char *, char **);