> All of these examples you'll see here will compile without warnings or errors even with very strict compiler flags in gcc and clang (gcc -Wall -ansi -pedantic

> All of these examples you'll see here will compile without warnings or errors even with very strict compiler flags in gcc and clang (gcc -Wall -ansi -pedantic -std=c89 main.c) Umm, that's really not that restrictive. Use `clang -Weverything -std=c11 main.c` if you want strict warnings.