lib

Folder structure

Here is a brief overview of the files in the lib directory.

• ctype.h
  inttypes.h
  limits.h
  stdarg.h
  stdbool.h
  stddef.h
  stdint.h
  stdio.c
  stdio.h
  stdlib.c
  stdlib.h
  string.c
  string.h:
  A subset of the standard C library. See section C.2 C99, for information on a few recently introduced pieces of the C library that you might not have encountered before. See section C.3 Unsafe String Functions, for information on what's been intentionally left out for safety.

• debug.c
  debug.h:
  Functions and macros to aid debugging. See section E. Debugging Tools, for more information.

• random.c
  random.h:
  Pseudo-random number generator. The actual sequence of random values will not vary from one Pintos run to another, unless you do one of three things: specify a new random seed value on the -rs kernel command-line option on each run, or use a simulator other than Bochs, or specify the -r option to pintos.

• round.h:
  Macros for rounding.

• syscall-nr.h:
  System call numbers.

• kernel/list.c
  kernel/list.h:
  Doubly linked list implementation.

• kernel/bitmap.c
  kernel/bitmap.h:
  Bitmap implementation.

• kernel/hash.c
  kernel/hash.h:
  Hash table implementation.

• kernel/console.c
  kernel/console.h
  kernel/stdio.h:
  Implements printf() and a few other functions.