dn> Only for reformatting then?  Try GNU indent.

... GNU Indent 1.9.1, with the following patch applied...

diff -c indent\comments.c:1.1.1.1 indent\comments.c:1.3
*** indent\comments.c:1.1.1.1	Sat May 04 11:18:38 1996
--- indent\comments.c	Sat May 04 11:18:38 1996
***************
*** 526,532 ****
  
  	  /* If we are formatting, check that we haven't exceeded the
  	     line length.  If we haven't set line_break_ptr, keep going. */
! 	  if (format && column > right_margin && line_break_ptr)
  	    {
  	      if (line_break_ptr < e_com - 1)
  		{
--- 526,533 ----
  
  	  /* If we are formatting, check that we haven't exceeded the
  	     line length.  If we haven't set line_break_ptr, keep going. */
! 	  if (format && column > right_margin && line_break_ptr
!           && (strncmp(buf_ptr, " */", 3) != 0))
  	    {
  	      if (line_break_ptr < e_com - 1)
  		{
***************
*** 541,547 ****
--- 542,553 ----
  		    right_margin = column - save_length;
  		}
  	      else
+           {
  		*e_com = '\0';
+           e_com--;
+           if ((*e_com == ' ') || (*e_com == TAB)) *e_com = '\0';
+           else e_com++;
+           }
  	      goto end_line;
  	    }
  
diff -c indent\makefile.emx:1.1.1.1 indent\makefile.emx:1.2
*** indent\makefile.emx:1.1.1.1	Sat May 04 11:18:40 1996
--- indent\makefile.emx	Sat May 04 11:18:40 1996
***************
*** 1,9 ****
  AWK = gawk
  MAKEINFO = makeinfo
  # CC = gcc -g
! # O = .o
! CC = gcc -Zomf -Zmtd -Zstack 512 -O -s
! O = .obj
  CFLAGS = -O -DOS2 -DDIRENT -I.
  LFLAGS = 
  LIBS =
--- 1,9 ----
  AWK = gawk
  MAKEINFO = makeinfo
  # CC = gcc -g
! O = .o
! CC = gcc
! #O = .obj
  CFLAGS = -O -DOS2 -DDIRENT -I.
  LFLAGS = 
  LIBS =
***************
*** 15,21 ****
  .c$O:
  	$(CC) $(CFLAGS) -c $<
  
! all: indent.exe indent.info
  
  indent.exe: ${OBJ}
  	${CC} -o ${at} ${LFLAGS} ${OBJ} ${LIBS}
--- 15,21 ----
  .c$O:
  	$(CC) $(CFLAGS) -c $<
  
! all: indent.exe
  
  indent.exe: ${OBJ}
  	${CC} -o ${at} ${LFLAGS} ${OBJ} ${LIBS}
@EOT:

---