Based (stealed) on google styling.

Headers and sources

Headers are in include/kernel, so can be included from kernel/ Source are in src/

Every source file must be associatied with .h header

Define for headers must be like <PROJECT>_<PATH>_<FILE>_H_

Cases

Type names must be CamelCase: MyExcitingClass, MyExcitingEnum

Varible names must be snake case: a_local_variable, a_struct_data_member, a_class_data_member_

Constants must be lowerCamelCase:

const int kDaysInAWeek = 7;
const int kAndroid8_0_0 = 24;  // Android 8.0.0

Functions must be lower snake case:

add_table_entry()
delete_url()
open_file_or_die()

If you have two higher case symbols -> insert underscore