icp/oer/courses/c-basics/sections/03-functions/09-scopes/program.c

22 lines
475 B
C

#include <stdio.h>
static int foo = 10; // This variable lives in global scope
int main(int argc, const char *argv[])
{
int bar = 55; // This is in the scope of the main function
for(int i= 0; i < 10;)
i += 1; // i is local to this scope
for(int i = 10; i >= 0;)
i -= 1; // so we can reuse i again
// you can open a block to introduce a scope
{
int foo = 5; // this will overshadow the global foo
printf("foo: %d\n", foo);
}
printf("foo: %d\n", foo);
}