Ultrix 3.1C /usr/bin/pswrap -- what is it?

[Ian! D. Allen [CGL]]

strings /usr/bin/pswrap includes:

    Usage:  pswrap [options] [input-file]
	-a              produce ANSI C procedure prototypes
	-b              process a big file
	-h filename     specify header filename
	-o filename     specify output C filename
	-r              make wraps re-entrant
	-s length       set maximum string length

No man page seen in /usr/etc/subsets/*.inv; what is this?  It comes in
the X11 Development subset.
-- 
-IAN! (Ian! D. Allen) idallen at watcgl.uwaterloo.ca idallen at watcgl.waterloo.edu
 [129.97.128.64]  Computer Graphics Lab/University of Waterloo/Ontario/Canada