Rule 12.4 : Side effect on a righthand size of &&

These are typically used when it simplifies the code to use short-circuit evaluation.

  ./src/char_io.c
  ./src/printformat.c
  ./src/sc/pow_StarCore.c
  ./src/scanformat.c
  ./src/string.c
  ./src/strtold.c
  ./src/strtoul.c
  ./src/ansi_fp.c
  ./src/time.c
  ./src/wchar_io.c
  ./src/wcstold.c
  ./src/wcstoul.c
  ./src/wprintf.c
  ./src/wprintformat.c
  ./src/wscanf.c
  ./src/wstring.c