Mandatory codestyle for all projects, written in C language at Ecole 42.
full version in pdf

• has at most 5 function definitions

• must be no longer than 25 lines
• can take at most 4 parameters
• can declare at most 5 variables

• should be declared at the beginning of function
• one declaration per line
• can't be assigned on declaration

• must be at most 80 columns wide

• for, goto, swith/case
• nested ternary operators
• global variables
• any libraries
• any fuctions but a few basics, like malloc(), free(), write(), read()