Update 1st June 26

Hayet_Classwork/cp.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+typedef unsigned char BYTE;
+int main(int argc, char *argv[])
+{
+	FILE *src = fopen(argv[1], "rb");
+	FILE *dst = fopen(argv[2], "wb");
+
+	BYTE b;
+
+	while (fread(&b, sizeof(b), 1, src) != 0)
+	{
+		fwrite(&b, sizeof(b), 1, dst);
+	}
+
+	fclose(dst);
+	fclose(src);
+}

Hayet_Classwork/cp.csv

@@ -0,0 +1,2 @@
+Hayet, 77666327
+Munna, 59950786

Hayet_Classwork/phonebook.c

@@ -0,0 +1,20 @@
+#include <cs50.h>
+#include <stdio.h>
+#include <string.h>
+
+int main(void)
+{
+	// FILE here calls FILE function from stdio.h & "a" using for apend.
+	FILE *file = fopen("phonebook.csv", "a");
+	if (file == NULL)
+	{
+		return 1;
+	}
+	char *name = get_string("Name: ");
+	char *number = get_string("Number: ");
+
+	fprintf(file, "%s, %s\n", name, number);
+
+	fclose(file);
+	return 0;
+}

Hayet_Classwork/phonebook.csv

@@ -0,0 +1,2 @@
+Hayet, 77666327
+Munna, 59950786

address.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main(void)
+
+{
+	int n = 50;
+	int *p = &n;
+	printf("%p\n", p);
+}

example1.c

@@ -0,0 +1,7 @@
+const iunt capacity = 50;
+
+typedef struct 
+{
+	person people[CAPACITY]
+	int size;
+} stack;

garbage.c

@@ -0,0 +1,10 @@
+#include <stdio.h>
+
+int main(void)
+{
+	int scores[1024];
+	for (int i =0; i < 1024; i++)
+	{
+		printf("%i\n", scores[i]);
+	}
+}

memory.c

@@ -0,0 +1,17 @@
+// Demonstrates memory error via valgrind
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void)
+{
+	int *x = malloc(3 * sizeof(int));
+	{
+		return 1;
+	}	
+	x[0] = 72;
+	x[1] = 73;
+	x[2] = 33;
+	free(x);
+	return 0;
+}

note.txt

@@ -20,3 +20,6 @@ vi .gitignore
 - libcs50/
 - a.out
 
+
+// Memory Check
+valgrind is an arcane software often useful for testing memory.