Beginning of blocks and functions

The auxiliary table entries for the beginning of blocks and functions have the format shown in Table 7-34, ``Format for beginning of block and function'':

Table 7-34 Format for beginning of block and function

 Bytes   Declaration      Name       Description
 --------------------------------------------------------
 0-3     -                -          unused (filled with
                                     zeroes)
 4-5     unsigned short   x_lnno     C-source line number
 6-11    -                -          unused (filled with
                                     zeroes)
 12-15   long int         x_endndx   index of next entry
                                     past this block
 16-17   -                -          unused (filled with
                                     zeroes)