block_head_t
set_block(block_head_t *pbh, uint64_t off, uint16_t ch)
size_block(block_head_t *pbh)
diff_tool(block_head_t *pa, block_head_t *pb)
diff_block(block_head_t *pa, block_head_t *pb)
free_block(block_head_t *pbh)
cmd_block_process(block_head_t *pbh_in, block_head_t *pbh_out, char *cmd_str)
block_head_t diff_head;
block_head_t diff_a_head;
block_head_t diff_b_head;
block_head_t indent_in_head;
block_head_t indent_out_head;
write_block(int fd, block_head_t *ph)
peek_block(block_head_t *pbh, uint64_t off)