lcthw/ex22.c at master · AliNisarAhmed/lcthw

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#include "ex22.h"

#include "dbg.h"

int THE_SIZE = 1000;

// kinda inverse of extern: says that this variable is only used in

// this .c file and should not be available to other parts of the program

static int THE_AGE = 37;

int get_age() { return THE_AGE; }

void set_age(int age) { THE_AGE = age; }

double update_ratio(double new_ratio) {

// static in function means the variable acts as a static defined in the file

// but it's only accessible from the function

// it's like a "function scoped constant"

// not used often

static double ratio = 1.0;

double old_ratio = ratio;

ratio = new_ratio;

return old_ratio;

}

void print_size() { log_info("I think size is: %d", THE_SIZE); }