jsln

sizeof(struct mystruct) % 8 ) != 0) {

  printf("error!\n");
  exit(1);
}
      
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))

BUILD_BUG_ON(sizeof(struct mystruct) % 8));

https://github.com/mcinglis/c-style====== Numerical programming ====== https://blog.segger.com/algorithms-for-division-part-3-using-multiplication/ ====== OOP in C ====== https://dmitryfrank.com/articles/oop_in_c OOC in C coverage in 21st century C (2nd ed.) book. https://github.com/nathancharlesjones/Comparison-of-OOP-techniques-in-C ====== Encapsulation ====== https://embeddedartistry.com/fieldatlas/encapsulation-and-information-hiding-in-c/ ====== assertions ====== Assert usage in real-time systems: https://www.embedded.com/getting-started-with-real-time-assertions/ ====== Other ====== http://blog.llvm.org/2011/05/what-every-c-programmer-should-know.html Reverse engineering for beginners book A simple pool allocator in C ====== Data type widths ======

              64-bit Unix [LP64]   64-bit Windows [LLP64]       32-bit ARM
       (ARM 64-bit follows LP64)
char                 8                    8                      8
short                16                   16                     16
int                  32                   32                     32
long                 64                   32                     32
long long            64                   64                     64
pointer              64                   64                     32

See also https://wiki.osdev.org/X86-64 https://www.acepace.net/integerQuiz/