C++ Essentials – Part 1 (Including Exam Voucher)

• The difference between machine and high-level languages

• The machine code and compilation

• Variables, integers, characters

• Comments

• The basics of flow control

• Dealing with streams and basic I/O operations

• Writing simple programs

• Recursion

• Va_copy()

• Va_start()

• Vsprintf(), vprintf(), vfprintf()

• Va_arg()

• Vscanf(), vsscanf(), vfscanf()

• Va_end()

• POSIX, API, ABI, WINAPI, etc.

• Lseek()

• Access()

• Dprintf()

• Open()

• Stat()

• Errno

• Symlink(), link()

• Close()

• Readlink()

• Read()

• Unlink()

• Write()

• Fcntl() and ioctl()

• Manipulating memory blocks

• Bzero()

• String manipulation: strchr(), strrchr(), strstr(), strtok()

• Memset()

• Qsort(), bsearch()

• Memcmp()

• Aligned_alloc(), calloc(), malloc(), and realloc()

• Internationalization I18N

• Bcopy()

• UNICODE. UCS, UTF-8 – how to deal with multilingual environment?

• Memcpy()

• Universal character names

• Memccpy()

• Wide characters support in different C dialects (, , …)

• memmove()

• Strcoll() and wcscoll()

• Definitions, implementations and history

• Thread safety

• System(), getenv(), setenv()

• Processes in Unix way:

ü  Fork()

ü  Exit()

ü  Execxx()

ü  Wait() and waitpid()

• Processes in MS Windows way:

ü  CreateProcess()

ü  WaitForSingleObject()

ü  POSIX threads

ü  MS Windows threads

ü  C11 threads ()

• IEEE-754: a different universe

• What is pragma?

• NaN, infinity, zero

• FENV_ACCESS pragma

• Floats and doubles – should we trust them?

• Floating-point exceptions

• Numerical anomalies vs precision

• Rounding

• ULP

• Multi-precision libraries (GMP, MPFR, MPIR)

• What is socket? what is network socket?

• Connect()

• TCP/IP protocol stack, UDP

• Bind()

• Connection and connection-less transmissions

• Listen()

• Servers and clients

• Accept()

• Big and little endians and why you should be aware of them

• Send() and recv()

• Socket addressing: IP4, IP6, service numbers

• Simple example of client-server communication

• Getaddrinfo()

• Simple example of peer-to-peer communication

• Socket()

• Const variables vs. volatile variables

• Goto – why and why not, advantages, disadvantages and limitations

• Long (non-local) jumps: setjmp() and longjmp()

• Static array indices, designated initializers, compound literals, variable-length arrays, flexible array members, restrict keyword

• Sequence points: why ++/– may sometimes make you crazy?

• The asm keyword

• Portability issues and undefined behaviours