From c813f7bd522baf1057ba9bee874669ea5b945a66 Mon Sep 17 00:00:00 2001
From: "martin@ashbysoft.com" <martin@ashbysoft.com>
Date: Sat, 11 Jun 2022 20:02:48 +0000
Subject: more intro exercises

---
 echo.c      | 9 +++++++++
 ex1-6.c     | 7 +++++++
 ex1-7.c     | 5 +++++
 fahr-celc.c | 6 +++---
 run         | 7 +++++++
 5 files changed, 31 insertions(+), 3 deletions(-)
 create mode 100644 echo.c
 create mode 100644 ex1-6.c
 create mode 100644 ex1-7.c
 create mode 100755 run

diff --git a/echo.c b/echo.c
new file mode 100644
index 0000000..bf590a5
--- /dev/null
+++ b/echo.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main(void) {
+  int c;
+  while ((c = getchar()) != EOF) { 
+    putchar(c);
+  }
+  return 0;
+}
\ No newline at end of file
diff --git a/ex1-6.c b/ex1-6.c
new file mode 100644
index 0000000..73e9010
--- /dev/null
+++ b/ex1-6.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+int main(void) {
+  while (1) {
+    printf("%d\n", getchar()==EOF);
+  }
+  return 0;
+}
\ No newline at end of file
diff --git a/ex1-7.c b/ex1-7.c
new file mode 100644
index 0000000..e84b0af
--- /dev/null
+++ b/ex1-7.c
@@ -0,0 +1,5 @@
+#include <stdio.h>
+int main(void) {
+  printf("%d\n", EOF);
+  return 0;
+}
\ No newline at end of file
diff --git a/fahr-celc.c b/fahr-celc.c
index ccef413..ac3c2fc 100644
--- a/fahr-celc.c
+++ b/fahr-celc.c
@@ -3,9 +3,9 @@
 /* print farenheight-celcius 
 conversion table for 0, 20, ...300 */
 int main() {
-  for (float fahr=0.0;
-       fahr<=300.0;
-       fahr+=20.0) {
+  for (float fahr=300.0;
+       fahr>=0.0;
+       fahr-=20.0) {
     printf("%3.0f %6.1f\n",
       fahr,
       (5.0/9.0)*(fahr-32.0));
diff --git a/run b/run
new file mode 100755
index 0000000..185f869
--- /dev/null
+++ b/run
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -e
+cc -o exe $@
+./exe
+result=$?
+rm exe
+exit $result
\ No newline at end of file
-- 
cgit v1.2.3-ZIG