Read Environment Text Area Variables

Reads a variable set by a text area tag and separates the text lines.

1. W3READ-ENVIRONMENT-TEXTAREA

   1 W3START            (I4)        /* io/m : Offset to be started at
   *                                /*        out: 0 no occurrences
   *                                /*        out: >0 more occurrences
   1 W3NAME             (A072)      /* i /m : Name of variable
   1 W3VALUESERVER      (A1)        /* i /m : Search for variables in 
   *                                /*        'S' server
   *                                /*        'P' page or URL
   *                                /*        ' ' both
   1 W3ARRAYCOUNTER     (A250/1:V)  /* io/m : Length of array,
                                    /*        returned values
   1 W3ARRAYVALUE       (I4/1:V)    /*  o/m : Value of variables
   1 W3ARRAYVALUELENGTH (I4)        /*  o/m : Length of variables
   1 W3ARRAYMAXIMUM                 /*  o/m : Total number of variables
   

2. W3READ-ENVIRONMENT-TEXTAREA-DYN

   1 W3START            (I4)              /* io/m : Offset to be started at
   *                                      /*        out: 0 no occurrences
   *                                      /*        out: >0 more occurrences
   1 W3NAME-DYN         (A) DYNAMIC       /* i /m : Name of variable
   1 W3VALUESERVER      (A1)              /* i /m : Search for variables in
   *                                      /*        'S' server
   *                                      /*        'P' page or URL
   *                                      /*        ' ' both
   1 W3ARRAYCOUNTER     (I4)              /* io/m : Length of array,
                                          /*        returned values
   1 W3ARRAYVALUE-DYN   (A/1:V) DYNAMIC   /*  o/m : Value of variables
   1 W3ARRAYVALUELENGTH (I4/1:V)          /*  o/m : Length of variables
   1 W3ARRAYMAXIMUM     (I4)              /*  o/m : Total number of variables
   

PERFORM W3READ-ENVIRONMENT-TEXTAREA W3START W3NAME
       W3VALUESERVER W3ARRAYCOUNTER(*)
       W3ARRAYVALUE(*) W3ARRAYVALUELENGTH(*)
       W3ARRAYMAXIMUM

PERFORM W3READ-ENVIRONMENT-TEXTAREA-DYN W3START W3NAME-DYN
       W3VALUESERVER W3ARRAYCOUNTER(*)
       W3ARRAYVALUE-DYN(*) W3ARRAYVALUELENGTH(*)
       W3ARRAYMAXIMUM