From 102341d7ae8793c29d44fa416d3b5b797d1eca3e Mon Sep 17 00:00:00 2001
From: Clay Smith <claysmith158@gmail.com>
Date: Tue, 1 Aug 2023 01:09:09 -0500
Subject: First commit

---
 scope_tutorial/1.c      |  43 +++++++++++++++++++++++++++++++++++++++++++
 scope_tutorial/2.c      |  15 +++++++++++++++
 scope_tutorial/2.o      | Bin 0 -> 536 bytes
 scope_tutorial/Makefile |   2 ++
 scope_tutorial/a.out    | Bin 0 -> 33666 bytes
 scope_tutorial/header.h |   4 ++++
 6 files changed, 64 insertions(+)
 create mode 100644 scope_tutorial/1.c
 create mode 100644 scope_tutorial/2.c
 create mode 100644 scope_tutorial/2.o
 create mode 100644 scope_tutorial/Makefile
 create mode 100755 scope_tutorial/a.out
 create mode 100644 scope_tutorial/header.h

(limited to 'scope_tutorial')

diff --git a/scope_tutorial/1.c b/scope_tutorial/1.c
new file mode 100644
index 0000000..fe38a56
--- /dev/null
+++ b/scope_tutorial/1.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include "header.h"
+
+int hello_num(int, int);
+int a = 0;
+int b = 0;
+
+int main(void)
+{
+	int num = 1;
+
+	{ 
+		int num = 2;
+	}
+
+	auto double result;
+
+//	double result2 = product_again(1,2); //results in error if uncommented because this function is specific to the file it was defined in
+	int value = use_another_static_function(7, 3);
+
+	result = product(1,2);
+
+	int newNum = hello_num(1,2);
+
+	printf("Newnum is: %d\na is: %d\tb is %d\n", newNum,a,b);
+
+	printf("result is: %lf\n", result);
+
+	printf("num is: %d\n", num);
+
+	printf("use_another_static_function(7,3) returns: %d\n", value);
+
+	return 0;
+}
+
+
+int hello_num(int a, int b) 
+{
+    	a++;
+    	++b;    
+
+    	return a;
+}
diff --git a/scope_tutorial/2.c b/scope_tutorial/2.c
new file mode 100644
index 0000000..a9f9429
--- /dev/null
+++ b/scope_tutorial/2.c
@@ -0,0 +1,15 @@
+double product(double a, double b)
+{
+    	return a * b;
+}
+
+static double double_product(double a)
+{
+    	return a * 2;
+}
+
+
+double use_another_static_function(double a, double b)
+{
+	return double_product(product(a, b));
+}
diff --git a/scope_tutorial/2.o b/scope_tutorial/2.o
new file mode 100644
index 0000000..53a371e
Binary files /dev/null and b/scope_tutorial/2.o differ
diff --git a/scope_tutorial/Makefile b/scope_tutorial/Makefile
new file mode 100644
index 0000000..929801f
--- /dev/null
+++ b/scope_tutorial/Makefile
@@ -0,0 +1,2 @@
+simple:
+	gcc 1.c 2.c && ./a.out
diff --git a/scope_tutorial/a.out b/scope_tutorial/a.out
new file mode 100755
index 0000000..4e413d3
Binary files /dev/null and b/scope_tutorial/a.out differ
diff --git a/scope_tutorial/header.h b/scope_tutorial/header.h
new file mode 100644
index 0000000..21761c0
--- /dev/null
+++ b/scope_tutorial/header.h
@@ -0,0 +1,4 @@
+double product(double a, double b);
+
+double product_again(double a, double b); //only for educational purposes, serves no real purpose as product again has internal linkage
+double use_another_static_function(double a, double b);
-- 
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