sqlchar data structure

This structure is used to pass variable length data to the database manager.

Table 1. Fields in the SQLCHAR Structure
Field Name Data Type Description
LENGTH SMALLINT Length of the character string pointed to by DATA.
DATA CHAR(n) An array of characters of length LENGTH.

API and data structure syntax

SQL_STRUCTURE sqlchar
{
        short length;
        _SQLOLDCHAR data[1];
};

COBOL Structure

This is not defined in any header file. The following output is an example that shows how to define the structure in COBOL: 
* Replace maxlen with the appropriate value:
01 SQLCHAR.
49 SQLCHAR-LEN  PIC S9(4) COMP-5.
49 SQLCHAR-DATA PIC X(maxlen).