add testcode

lec06/CallbyAddressAndCallbyValue.c

@@ -12,6 +12,9 @@ void addPointer(int *a, int *b, int *c)
 
 int addValue(int a, int b, int c)
 {
+	fprintf(stdout, "In addValue A %d : %lld %llx\n", a, &a, &a);
+        fprintf(stdout, "In addValue B %d : %lld %llx\n", b, &b, &b);
+        fprintf(stdout, "In addValue C %d : %lld %llx\n", c, &c, &c);
 	c =  a + b;
 	fprintf(stdout, "In addValue A %d : %lld %llx\n", a, &a, &a); 
 	fprintf(stdout, "In addValue B %d : %lld %llx\n", b, &b, &b); 

lec07/debug.c

+#include <stdio.h>
+#define DEBUG
+#define INTRO
+
+int main() {
+#ifdef DEBUG // #ifdef는 위에서 매크로가 선언된 경우 내부 코드가 실행됨
+	printf("Debug : %s \t %s \t %s \t %d \n", __DATE__, __TIME__, __FILE__, __LINE__);
+#endif
+
+	char name[] = "Nayoung";
+	int age = 21;
+	
+#ifndef INTRO // #ifndef는 위에서 매크로가 선언되지 않은 경우 내부 코드를 실행함
+	printf("Name : %s \t Age : %d \n", name, age);
+#endif
+	return 0;
+}

lec07/debug_if.c

+#include <stdio.h>
+#define DEBUG_LEVEL 2
+
+int main()
+{
+#if DEBUG_LEVEL >= 2 
+	printf("Debug Level 2 \n");
+#endif
+
+	return 0;
+}

lec07/fnpointer.c

@@ -3,6 +3,7 @@
 #define FN_SUB 1
 #define FN_MUL 2
 #define FN_DIV 3
+#define FN_ERR 4
 
 void add(int *a, int *b, int *c)
 { *c = *a + *b; }
@@ -16,15 +17,21 @@ void mul(int *a, int *b, int *c)
 void div(int *a, int *b, int *c)
 { *c = (*a) / (*b); }
 
+void err(int *a, int *b, int *c)
+{ 
+	*c = ' '; 
+	fprintf(stdout, "wrong input\n");
+}
+
 int main()
 {
         int a, b, c;
         char ch;
-	int op = FN_ADD; // default is add
+        int op = FN_ERR; // default is err
 
         scanf("%d %c %d", &a, &ch, &b);
 
-	void (*fp[4])(int *, int *, int *) = {add, sub, mul, div};
+        void (*fp[5])(int *, int *, int *) = {add, sub, mul, div, err};
         switch (ch)
         {
                 case '+':
@@ -40,14 +47,13 @@ int main()
                         op = FN_DIV;
                         break;
                 default :
-			op = FN_ADD;
+			op = FN_ERR;
                         break;
         }
 
         fp[op](&a,&b,&c);
+	if(op == 4){
+		return 0;
+	}
 	fprintf(stdout, "%d \n", c);
-	
-
-	// int const * p = &a;
-	// int * const q = &a;
 }

lec07/func.c

+#include "func.h"
 #define __FUNC_ 0
-#define FUNCTION_NEGATIVE
-extern int fun1(int x);
-extern int fun2(int x);
 
 #if __FUNC_ == 0
 int func1(int a)
@@ -21,4 +19,3 @@ int func3(int a)
         return DF(a+2)*20;
 }
 #endif
-

lec07/main.c

 #include <stdio.h>
 #define FUNCTION_NEGATIVE 1
 #include "func.h"
-#define __FUNC_
+#define __FUNC_ 0
 int main()
 {
         printf("func1 %d %d\n", func1(100), DF(10));// func 110 100
@@ -9,4 +9,3 @@ int main()
         printf("func2 %d %d\n", func2(100), DF(10));// func 110 100
 
 }
-

lec08/token.c

+#include <stdio.h>
+#define DECLARE_STRUCT_TYPE(name) typedef struct name##_s name##_t
+
+int main(){
+
+	#define str(s) #s
+	printf("%s \n", str(1+2));
+
+	#define ST(a) #a
+	char name[] = ST(Nayoung);
+	printf("%s \n", name);
+
+	DECLARE_STRUCT_TYPE(g_object);
+
+	return 0;
+}