Sayfa 26'ya kadar olanlar işlendi

c-basic/global-local-variables.c

@@ -0,0 +1,26 @@
+#include <stdio.h>
+
+int main(){
+    int a;
+
+    {
+        int b;
+
+        b = 20;
+        a = 10;
+
+        printf("a = %d, b = %d\n", a, b); // correct
+    }
+
+    printf("a = %d\n", a); // correct 
+    // printf("b = %d\n", b); // error
+    /**
+     * hwpplayer1@hwpplayer1-Aspire-A315-24P:~/Projects/hwpplayer1/c-course/c-basic$ gcc global-local-variables.c 
+global-local-variables.c: In function ‘main’:
+global-local-variables.c:16:24: error: ‘b’ undeclared (first use in this function)
+   16 |     printf("b = %d\n", b); // error
+      |                        ^
+global-local-variables.c:16:24: note: each undeclared identifier is reported only once for each function it appears in
+     * 
+     */
+}