#include <libpq-fe.h>
int main(void)
{
   int s = PG_DIAG_SCHEMA_NAME;
   int t = PG_DIAG_TABLE_NAME;
   int col = PG_DIAG_COLUMN_NAME;
   int d = PG_DIAG_DATATYPE_NAME;
   int con = PG_DIAG_CONSTRAINT_NAME;
   return s + t + col + d + con;
}