### Example programs for blocks

The following program shows how to allocate a block,

    #include <stdio.h>
    #include <gsl/gsl_block.h>

    int
    main (void)
    {
      gsl_block * b = gsl_block_alloc (100);

      printf("length of block = %u\n", b->size);
      printf("block data address = %#x\n", b->data);

      gsl_block_free (b);
      return 0;
    }

Here is the output from the program,

    length of block = 100
    block data address = 0x804b0d8