1 files changed, 36 insertions, 0 deletions
diff --git a/ch1/ctof.c b/ch1/ctof.c
new file mode 100644
index 0000000..b95e20a
--- /dev/null
+++ b/ch1/ctof.c
@@ -0,0 +1,36 @@
+#include<stdio.h>
+
+#define LOWER 0;
+#define UPPER 300;
+#define STEP 20;
+
+float ctof(int c);
+
+/*
+ * Print Celcius-Fahrenheit table for celcius = 0, 20, ... 300.
+ */
+main() {
+    float fahr, celcius;
+    int lower, upper, step;
+
+    lower = LOWER;      // lower limit of temperature table
+    upper = UPPER;    // upper limit of temperature table
+    step = STEP;      // step size
+
+    celcius = lower;
+
+    printf("%3s %6s\n", "C", "F");
+
+    while (celcius <= upper) {
+        fahr = ctof(celcius);
+        printf("%3.0f %6.1f\n", celcius, fahr);
+        celcius = celcius + step;
+    }
+}
+
+/*
+ * Convert Celcius to Fahrenheit
+ */
+float ctof(int celcius) {
+    return (9.0 / 5.0) * celcius + 32.0;
+}