1 files changed, 30 insertions, 0 deletions
diff --git a/reference/C/CONTRIB/OR_PRACTICAL_C/13_1.c b/reference/C/CONTRIB/OR_PRACTICAL_C/13_1.c
new file mode 100644
index 0000000..4f44233
--- /dev/null
+++ b/reference/C/CONTRIB/OR_PRACTICAL_C/13_1.c
@@ -0,0 +1,30 @@
+#include <stdio.h>
+#define FILE_NAME "input.txt"
+#include <stdlib.h>     /* ANSI Standard C file */
+
+main()
+{
+    int             count = 0;  /* number of characters seen */
+    FILE           *in_file;    /* input file */
+
+    /* character or EOF flag from input */
+    int             ch;
+
+    in_file = fopen(FILE_NAME, "r");
+    if (in_file == NULL) {
+        (void)printf("Can not open %s\n", FILE_NAME);
+        exit(8);
+    }
+
+    while (1) {
+        ch = fgetc(in_file);
+        if (ch == EOF)
+            break;
+        count++;
+    }
+    (void) printf("Number of characters in %s is %d\n",
+                  FILE_NAME, count);
+
+    (void) fclose(in_file);
+    return (0);
+}