fixes hacktoberfest17#2157

pointers_to_functions/menu/pointer-f.c

@@ -0,0 +1,36 @@
+#include <stdio.h>
+
+void option0 (void){
+  printf("Printed from option0\n");
+}
+void option1 (void){
+  printf("Printed from option1\n");
+}
+void option2 (void){
+  printf("Printed from option2\n");
+}
+void option3 (void){
+  printf("Printed from option3\n");
+}
+
+int main(void)
+{
+  void (*p[]) (void) = {option0, option1, option2, option3};
+  int op;
+
+  do {
+    printf("Press an option:\n");
+    printf("0) Option 0\n");
+    printf("1) Option 1\n");
+    printf("2) Option 2\n");
+    printf("3) Option 3\n");
+    printf("other) Exit\n");
+    scanf("%d", &op);
+    if (op >= 0 && op <= 3)
+      p[op]();
+
+  } while (op >=0 && op < 4);
+  printf("Bye\n");
+
+  return 0;
+}