/usr/share/tcltk/critcl-iassoc1.0.1/iassoc.tcl is in critcl 3.1.9-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129  | ## -*- tcl -*-
# # ## ### ##### ######## ############# #####################
# Pragmas for MetaData Scanner.
# @mdgen OWNER: iassoc.h
# CriTcl Utility Commands. Specification of a C function and structure
# associated with an interpreter made easy.
package provide critcl::iassoc 1.0.1
# # ## ### ##### ######## ############# #####################
## Requirements.
package require Tcl    8.4   ; # Min supported version.
package require critcl 3.1   ; # Need 'meta?' to get the package name.
package require critcl::util ; # Use the package's Get/Put commands.
namespace eval ::critcl::iassoc {}
# # ## ### ##### ######## ############# #####################
## API: Generate the declaration and implementation files for the iassoc.
proc ::critcl::iassoc::def {name arguments struct constructor destructor} {
    critcl::at::caller
    critcl::at::incrt $arguments   ; set sloc [critcl::at::get*]
    critcl::at::incrt $struct      ; set cloc [critcl::at::get*]
    critcl::at::incrt $constructor ; set dloc [critcl::at::get]
    set struct      $sloc$struct
    set constructor $cloc$constructor
    set destructor  $dloc$destructor
    # Arguments:
    # - name of the C function which will provide access to the
    #   structure. This name, with a fixed prefix is also used to
    #   identify the association within the interpreter, and for
    #   the structure's type.
    #
    # - C code declaring the structure's contents.
    # - C code executed to initialize the structure.
    # - C code executed to destroy the structure.
    # Note that this is, essentially, a singleton object, without
    # methods.
    # Pull the package we are working on out of the system.
    set package [critcl::meta? name]
    #puts "%%% Pkg  |$package|"
    #puts "%%% Name |$name|"
    #puts "@@@ <<$data>>"
    set stem  ${package}_iassoc_${name}
    set type  ${name}_data
    set label critcl::iassoc/p=$package/a=$name
    set anames {}
    if {[llength $arguments]} {
	foreach {t v} $arguments {
	    lappend alist "$t $v"
	    lappend anames $v
	}
	set arguments ", [join $alist {, }]"
	set anames ", [join $anames {, }]"
    }
    lappend map @package@     $package
    lappend map @name@        $name
    lappend map @stem@        $stem
    lappend map @label@       $label
    lappend map @type@        $type
    lappend map @struct@      $struct
    lappend map @argdecls@    $arguments
    lappend map @argnames@    $anames
    lappend map @constructor@ $constructor
    lappend map @destructor@  $destructor
    set hdr      ${stem}.h
    set header   [file join [critcl::cache] $hdr]
    set template [Template iassoc.h]
    #puts T=[string length $template]
    file mkdir [critcl::cache]
    critcl::util::Put $header [string map $map $template]
    critcl::ccode "#include <$hdr>"
    return
}
proc ::critcl::iassoc::Template {path} {
    variable selfdir
    set path $selfdir/$path
    #puts T=$path
    return [critcl::util::Get $path]
}
# # ## ### ##### ######## ############# #####################
##
# Internal: Namespace holding the specification commands and related
# state. Treat like a sub-package, with a proper API.
##
# # ## ### ##### ######## ############# #####################
namespace eval ::critcl::iassoc::spec {}
# # ## ### ##### ######## ############# #####################
# # ## ### ##### ######## ############# #####################
## State
namespace eval ::critcl::iassoc {
    variable selfdir [file dirname [file normalize [info script]]]
}
# # ## ### ##### ######## ############# #####################
## Export API
namespace eval ::critcl::iassoc {
    namespace export def
    catch { namespace ensemble create }
}
# # ## ### ##### ######## ############# #####################
## Ready
return
 |