Function get2byteInt

ThirdParty/sqlite/vtksqlite/shell.c:26416–26418

** Convert a 2-byte or 4-byte big-endian integer into a native integer */

** Convert a 2-byte or 4-byte big-endian integer into a native integer
*/
static unsigned int get2byteInt(unsigned char *a){
  return (a[0]<<8) + a[1];
}
static unsigned int get4byteInt(unsigned char *a){
  return (a[0]<<24) + (a[1]<<16) + (a[2]<<8) + a[3];
}