..

CC++/assertSample.c

@@ -0,0 +1,12 @@
+#include <assert.h>
+#include <stdio.h>
+
+int main()
+{
+	int a = 12;
+	int b = 24;
+	assert(a > b);
+	printf("a is larger than b!");
+
+	return 0;
+}

CC++/fseekSample.c

@@ -0,0 +1,27 @@
+#include <stdio.h>
+
+long filesize(FILE *stream);
+
+int main(void)
+{
+	FILE *stream;
+
+	stream = fopen("MyFile.txt", "w+");
+	fprintf(stream, "This is a test");
+	printf("FileSize of MyFile.txt is %ld bytes\n", filesize(stream));
+	fclose(stream);
+
+	return 0;
+}
+
+long filesize(FILE *stream)
+{
+	long curpos, length;
+
+	curpos = ftell(stream);
+	fseek(stream, 0L, SEEK_END);
+	length = ftell(stream);
+	fseek(stream, curpos, SEEK_SET);
+
+	return length;
+}

CC++/functionPointer.c

@@ -0,0 +1,20 @@
+// 验证函数指针
+#include <stdio.h>
+
+int fun(int x)
+{
+	return x + 5;
+}
+
+int main()
+{
+	int (*f)(int x) = &fun;
+	int result = f(5);
+
+	printf("Result: %d\n", result);
+	printf("The address of fun: %d\n", fun);
+	printf("The address of &fun: %d\n", &fun);
+	printf("The address of fun + 1: %d\n", fun + 1);
+	printf("The address of &fun + 1: %d\n", &fun + 1);
+	return 0;
+}

CC++/limitsSample.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include <limits.h>
+
+int main()
+{
+	printf("CHAR_BIT: %d\n", CHAR_BIT);
+	printf("CHAR_MIN: %d\n", CHAR_MIN);
+	printf("CHAR_MAX: %d\n", CHAR_MAX);
+	printf("INT_MIN: %d\n", INT_MIN);
+	printf("INT_MAX: %d\n", INT_MAX);
+	return 0;
+}

CC++/structPointer.c

@@ -0,0 +1,27 @@
+// 验证结构体指针
+//
+#include <stdio.h>
+
+struct sample{
+	int t;
+	char v;
+};
+
+int main()
+{
+	struct sample *sa =(struct sample *)malloc(sizeof(struct sample));
+	struct sample sb = *sa;
+	sa->t = 2;
+	sa->v = 'a';
+
+	printf("The address sa: %d\n", sa);
+	printf("The address sb: %d\n", &sb);
+	printf("%d\n", sa[0]);
+
+	int array[5] = {0,1,2,3,4};
+	printf("%d\n",*array);
+	printf("%d\n",array);
+	printf("%d\n",array[0]);
+
+	return 0;
+}