The TYPE command defines a new C type. It is equivalent to putting a typedef into a declare section.
This command is only recognized when ecpg is run with the -c option.
The name for the new type. It must be a valid C type name.
A C type specification.
EXEC SQL TYPE customer IS
    struct
    {
        varchar name[50];
        int     phone;
    };
EXEC SQL TYPE cust_ind IS
    struct ind
    {
        short   name_ind;
        short   phone_ind;
    };
EXEC SQL TYPE c IS char reference;
EXEC SQL TYPE ind IS union { int integer; short smallint; };
EXEC SQL TYPE intarray IS int[AMOUNT];
EXEC SQL TYPE str IS varchar[BUFFERSIZ];
EXEC SQL TYPE string IS char[11];Here is an example program that uses EXEC SQL TYPE:
EXEC SQL WHENEVER SQLERROR SQLPRINT;
EXEC SQL TYPE tt IS
    struct
    {
        varchar v[256];
        int     i;
    };
EXEC SQL TYPE tt_ind IS
    struct ind {
        short   v_ind;
        short   i_ind;
    };
int
main(void)
{
EXEC SQL BEGIN DECLARE SECTION;
    tt t;
    tt_ind t_ind;
EXEC SQL END DECLARE SECTION;
    EXEC SQL CONNECT TO testdb AS con1;
    EXEC SQL SELECT current_database(), 256 INTO :t:t_ind LIMIT 1;
    printf("t.v = %s\n", t.v.arr);
    printf("t.i = %d\n", t.i);
    printf("t_ind.v_ind = %d\n", t_ind.v_ind);
    printf("t_ind.i_ind = %d\n", t_ind.i_ind);
    EXEC SQL DISCONNECT con1;
    return 0;
}The output from this program looks like this:
t.v = testdb t.i = 256 t_ind.v_ind = 0 t_ind.i_ind = 0