Call Parameters
  Standard Interface Enhanced Interface
Function Number Must be 31
Data String See the following table
Length NA NA
PS Position See note
Note:
PS Position: Identifies the field within the host presentation space at which to start the Find. It can be the PS position of any byte within the field in which you want the Find to start.

The calling 2-character data string can contain:

Code Explanation
␢blank space character␢blank space character or T␢blank space character This field
P␢blank space character The previous field, either protected or unprotected
N␢blank space character The next field, either protected or unprotected
NP The next protected field
NU The next unprotected field
PP The previous protected field
PU The previous unprotected field
Note:
The ␢blank space character symbol represents a required blank.