Formatting fixes

man3/dbopen.3

@@ -49,7 +49,7 @@ const void *openinfo);
 .ft R
 .fi
 .SH DESCRIPTION
-.IR Dbopen
+.BR dbopen ()
 is the library interface to database files.
 The supported file formats are btree, hashed and UNIX file oriented.
 The btree format is a representation of a sorted, balanced tree structure.
@@ -63,7 +63,8 @@ in their respective manual pages
 and
 .IR recno (3).
 .PP
-Dbopen opens
+.BR dbopen ()
+opens
 .I file
 for reading and/or writing.
 Files never intended to be preserved on disk may be created by setting
@@ -113,7 +114,7 @@ If
 is NULL, each access method will use defaults appropriate for the system
 and the access method.
 .PP
-.I Dbopen
+.BR dbopen ()
 returns a pointer to a DB structure on success and NULL on error.
 The DB structure is defined in the <db.h> include file, and contains at
 least the following fields:
@@ -138,7 +139,7 @@ int (*seq)(const DB *db, DBT *key, DBT *data, u_int flags);
 These elements describe a database type and a set of functions performing
 various actions.
 These functions take a pointer to a structure as returned by
-.IR dbopen ,
+.BR dbopen (),
 and sometimes one or more pointers to key/data structures and a flag value.
 .TP
 type
@@ -183,7 +184,7 @@ A pointer to a routine which returns a file descriptor representative
 of the underlying database.
 A file descriptor referencing the same file will be returned to all
 processes which call
-.I dbopen
+.BR dbopen ()
 with the same
 .I file
 name.
@@ -399,7 +400,7 @@ It should be noted that the access methods provide no guarantees about
 byte string alignment.
 .SH ERRORS
 The
-.I dbopen
+.BR dbopen ()
 routine may fail and set
 .I errno
 for any of the errors specified for the library routines