in tcl_cmds.c [1813:1828]
int cmd_ap_set_content_length(ClientData cd, Tcl_Interp *ixx, int objc, Tcl_Obj *CONST objv[])
{
apr_off_t length;
if (objc != 2) {
Tcl_WrongNumArgs(interp, 1, objv, "length");
return TCL_ERROR;
}
Tcl_GetIntFromObj(interp, objv[1], (int*) &length);
ap_set_content_length(_r, length);
return TCL_OK;
}