1 files changed, 25 insertions, 0 deletions
diff --git a/reference/C/CONTRIB/OR_PRACTICAL_C/06_1.c b/reference/C/CONTRIB/OR_PRACTICAL_C/06_1.c
new file mode 100644
index 0000000..8f889a5
--- /dev/null
+++ b/reference/C/CONTRIB/OR_PRACTICAL_C/06_1.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+char  line[100];/* line of data from the input */
+
+int   result;   /* the result of the calculations */
+char  operator; /* operator the user specified */
+int   value;    /* value specified after the operator */
+main()
+{
+    result = 0; /* initialize the result */
+
+    /* Loop forever (or till we hit the break statement) */
+    while (1) {
+        (void) printf("Result: %d\n", result);
+
+        (void) printf("Enter operator and number: ");
+        (void) fgets(line, sizeof(line), stdin);
+        (void) sscanf(line, "%c %d", &operator, &value);
+
+        if (operator = '+') {
+            result += value;
+        } else {
+            (void) printf("Unknown operator %c\n", operator);
+        }
+    }
+}