# stdtypes.h Standard type definitions, that are used almost everywhere. #### `uint8_t` - typedef 8-bit wide unsigned int. Range: `0` - `255` #### `int8_t` - typedef 8-bit wide signed int. Range: `-128` - `127` #### `uint16_t` - typedef 16-bit wide unsigned int. Range: `0` - `65536` #### `int16_t` - typedef 16-bit wide signed int. Range: `-32768` - `32767` #### `uint32_t` - typedef 32-bit wide unsigned int. Range: `0` - `4294967296` #### `int32_t` - typedef 32-bit wide signed int. Range: `-2147483648` - `2147483647` #### `uint64_t` - typedef 64-bit wide unsigned int. Range: `0` - `18446744073709551616` #### `int64_t` - typedef 64-bit wide signed int. Range: `-9223372036854775808` - `9223372036854775807` #### `bool` - typedef Boolean type, can hold a logical value **true** or **false**. #### `true` - macro Logical **true** value. #### `false` - macro Logical **false** value #### `NULL` - macro A pointer to nowhere.