From 120090c2bfaf876087b55ba9290e20c6d2772166 Mon Sep 17 00:00:00 2001
From: pro100ton <pro100ton@gmail.com>
Date: Thu, 19 Dec 2024 23:12:38 +0300
Subject: [PATCH] Add some theory on strings

---
 .../Pointers/pointers_arithmetics.c           | 14 ++++++++++++++
 .../Strings/char_arrays_vs_char_pointers.c    |  6 ++++++
 c_modern_approach/Strings/printing_strings.c  |  5 +++++
 c_modern_approach/Strings/string_reading.c    | 14 ++++++++++++++
 c_modern_approach/Strings/theory_addresses.c  | 19 +++++++++++++++++++
 5 files changed, 58 insertions(+)
 create mode 100644 c_modern_approach/Pointers/pointers_arithmetics.c
 create mode 100644 c_modern_approach/Strings/char_arrays_vs_char_pointers.c
 create mode 100644 c_modern_approach/Strings/printing_strings.c
 create mode 100644 c_modern_approach/Strings/string_reading.c
 create mode 100644 c_modern_approach/Strings/theory_addresses.c

diff --git a/c_modern_approach/Pointers/pointers_arithmetics.c b/c_modern_approach/Pointers/pointers_arithmetics.c
new file mode 100644
index 0000000..14adf79
--- /dev/null
+++ b/c_modern_approach/Pointers/pointers_arithmetics.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+int main() {
+  char *p = "Hello";
+  printf("%p\n", p);
+  printf("%c", *p);
+  p++;
+  printf("\n\n%p\n", p);
+  printf("%c", *p);
+  char *pp = "World";
+  char ppa[] = "Ryan Gosling";
+  printf("\n%s\n", ppa);
+  puts(ppa);
+  puts(ppa);
+}
diff --git a/c_modern_approach/Strings/char_arrays_vs_char_pointers.c b/c_modern_approach/Strings/char_arrays_vs_char_pointers.c
new file mode 100644
index 0000000..81d7295
--- /dev/null
+++ b/c_modern_approach/Strings/char_arrays_vs_char_pointers.c
@@ -0,0 +1,6 @@
+int main() {
+  // Char array declaraion
+  char adate[] = "June 14";
+  // Char pointer declaraion
+  char *pdate = "June 14";
+}
diff --git a/c_modern_approach/Strings/printing_strings.c b/c_modern_approach/Strings/printing_strings.c
new file mode 100644
index 0000000..c8567a4
--- /dev/null
+++ b/c_modern_approach/Strings/printing_strings.c
@@ -0,0 +1,5 @@
+#include <stdio.h>
+int main() {
+  char *p = "Hello world!";
+  printf("%c", *p);
+}
diff --git a/c_modern_approach/Strings/string_reading.c b/c_modern_approach/Strings/string_reading.c
new file mode 100644
index 0000000..14adf79
--- /dev/null
+++ b/c_modern_approach/Strings/string_reading.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+int main() {
+  char *p = "Hello";
+  printf("%p\n", p);
+  printf("%c", *p);
+  p++;
+  printf("\n\n%p\n", p);
+  printf("%c", *p);
+  char *pp = "World";
+  char ppa[] = "Ryan Gosling";
+  printf("\n%s\n", ppa);
+  puts(ppa);
+  puts(ppa);
+}
diff --git a/c_modern_approach/Strings/theory_addresses.c b/c_modern_approach/Strings/theory_addresses.c
new file mode 100644
index 0000000..39dec5d
--- /dev/null
+++ b/c_modern_approach/Strings/theory_addresses.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+int main() {
+  char ch0, ch1, ch2, ch3;
+  ch0 = "abc"[0];
+  ch1 = "abc"[1];
+  ch2 = "abc"[2];
+  ch3 = "abc"[3];
+  printf("%c\n", ch0);
+  printf("%p", &ch0);
+  printf("\n\n");
+  printf("%c\n", ch1);
+  printf("%p", &ch1);
+  printf("\n\n");
+  printf("%c\n", ch2);
+  printf("%p", &ch2);
+  printf("\n\n");
+  printf("%c\n", ch3);
+  printf("%p", &ch3);
+}