From 7046a29fc4b918b19b7ed620f334a7b3cce7edae Mon Sep 17 00:00:00 2001
From: tmeissner <programming@goodcleanfun.de>
Date: Thu, 5 Nov 2015 23:36:39 +0100
Subject: [PATCH] Add first exercises of chapter 06

---
 c_primer_plus/chapter06/01.c     | 21 +++++++++++++++++++++
 c_primer_plus/chapter06/02.c     | 16 ++++++++++++++++
 c_primer_plus/chapter06/03.c     | 16 ++++++++++++++++
 c_primer_plus/chapter06/04.c     | 19 +++++++++++++++++++
 c_primer_plus/chapter06/Makefile | 10 ++++++++++
 5 files changed, 82 insertions(+)
 create mode 100644 c_primer_plus/chapter06/01.c
 create mode 100644 c_primer_plus/chapter06/02.c
 create mode 100644 c_primer_plus/chapter06/03.c
 create mode 100644 c_primer_plus/chapter06/04.c
 create mode 100644 c_primer_plus/chapter06/Makefile

diff --git a/c_primer_plus/chapter06/01.c b/c_primer_plus/chapter06/01.c
new file mode 100644
index 0000000..17d38e3
--- /dev/null
+++ b/c_primer_plus/chapter06/01.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+
+
+
+int main(void) {
+
+  unsigned char abc [26];
+
+  for (size_t i = 'a'; i <= 'z'; i++) {
+    abc[i - 'a'] = i;
+  }
+
+  for (size_t i = 0; i < sizeof(abc); i++) {
+    printf("%c", abc[i]);
+  }
+
+  printf("\n");
+
+  return 0;
+
+}
diff --git a/c_primer_plus/chapter06/02.c b/c_primer_plus/chapter06/02.c
new file mode 100644
index 0000000..fd6f9c2
--- /dev/null
+++ b/c_primer_plus/chapter06/02.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+
+
+int main(void) {
+
+  for (size_t i = 0; i < 5; i++) {
+    for (size_t j = 0; j <= i; j++) {
+      printf("$");
+    }
+    printf("\n");
+  }
+
+  return 0;
+
+}
diff --git a/c_primer_plus/chapter06/03.c b/c_primer_plus/chapter06/03.c
new file mode 100644
index 0000000..ddf8d7b
--- /dev/null
+++ b/c_primer_plus/chapter06/03.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+
+
+int main(void) {
+
+  for (int i = 0; i < 6; i++) {
+    for (int j = 'F'; j >= ('F'-i); j--) {
+      printf("%c", j);
+    }
+    printf("\n");
+  }
+
+  return 0;
+
+}
diff --git a/c_primer_plus/chapter06/04.c b/c_primer_plus/chapter06/04.c
new file mode 100644
index 0000000..a8e653f
--- /dev/null
+++ b/c_primer_plus/chapter06/04.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+
+
+int main(void) {
+
+  unsigned char letter = 'A';
+
+  for (unsigned char i = 0; i < 6; i++) {
+    for (unsigned char j = letter; j <= (letter + i); j++) {
+      printf("%c", j);
+    }
+    letter += (i + 1);
+    printf("\n");
+  }
+
+  return 0;
+
+}
diff --git a/c_primer_plus/chapter06/Makefile b/c_primer_plus/chapter06/Makefile
new file mode 100644
index 0000000..4ccd9a2
--- /dev/null
+++ b/c_primer_plus/chapter06/Makefile
@@ -0,0 +1,10 @@
+SRC := $(shell ls *.c)
+
+
+%: %.c
+	gcc -Wall -Wextra $@.c -o $@
+
+
+.PHONY: clean
+clean:
+	@rm -f ??