Here is a list of all documented files with brief descriptions:

[detail level 1234]

▼ inc
▼ internal
msh_builtin.h
msh_error.h
msh_exec.h
msh_internal.h
msh_jobs.h
msh_parser.h
msh_prompt.h
msh_redirects.h
msh_utils.h
▼ types
msh_builin_command.h
msh_builtin_doc.h
msh_command.h
msh_command_fwd.h
msh_exception.h
msh_process.h
msh_redirect.h
msh_token.h	Token structure and related types
msh_variable.h
▼ src
▼ builtin
malias.cpp	Built-in command `malias`
mcd.cpp	Built-in command `mcd`
mecho.cpp	Built-in command `mecho`
merrno.cpp	Built-in command `merrno`
mexit.cpp	Built-in command `mexit`
mexport.cpp	Built-in command `mexport`
mjobs.cpp	Built-in command `mjobs`
mpwd.cpp	Built-in command `mpwd`
msource.cpp	Built-in command `msource`
munalias.cpp	Built-in command `munalias`
▼ external
▼ mycat
main.c	External ulility `mycat`
▼ myrls
myrls.c	External ulility `myrls`
▼ internal
msh_builtin.cpp	Built-in commands and related utilities
msh_error.cpp	Error related utilities
msh_exec.cpp	Execution related utilities
msh_internal.cpp	Internal utilities
msh_jobs.cpp	Job control related utilities
msh_parser.cpp	Parser related utilities
msh_prompt.cpp	Prompt related utilities
msh_redirects.cpp	Redirects related utilities
msh_utils.cpp	Tokens processing utilities