Working with string arguments in DB2 for i CLI functions

These conventions can help you handle various aspects of string arguments in DB2® for i call level interface (CLI) functions.

Length of string arguments in DB2 for i CLI functions
Input string arguments have an associated length argument.
String truncation in DB2 for i CLI functions
If an output string does not fit into a buffer, DB2 for i call level interface (CLI) truncates the string to a length that is one less than the size of the buffer, and writes the null terminator.
Interpretation of strings in DB2 for i CLI functions
DB2 for i call level interface (CLI) ignores case and removes leading and trailing blanks for all string input arguments, such as column names and cursor names.

Parent topic: Writing a DB2 for i CLI application