Rule 1.2: Cast from pointer to pointer

Required to access opaque data structure or directly manipulate memory.

  ./src/alloc.c
  ./src/mbstring.c
  ./src/mem_funcs.c
  ./src/printformat.c
  ./src/scanformat.c
  ./src/string.c
  ./src/strtoul.c
  ./src/wcstold.c
  ./src/wcstoul.c
  ./src/wprintf.c
  ./src/wprintformat.c
  ./src/wscanf.c
  ./src/wstring.c
  ./src/ansi_files.c
  ./src/buffer_io.c
  ./src/char_io.c
  ./src/direct_io.c
  ./src/file_pos.c
  ./src/math_api.c
  ./src/math_double.c
  ./src/math_float.c
  ./src/math_fma.c
  ./src/misc_io.c
  ./src/math_<target>.c
  ./src/sun_math/ansi_fp.c
  ./src/sun_math/Double_precision/e_cosh.c
  ./src/sun_math/Double_precision/e_sinh.c
  ./src/wchar_io.c
  ./src/wmem_io.c