Initial data commit

Task/Higher-order-functions/C/higher-order-functions-1.c

@@ -0,0 +1,9 @@
+void myFuncSimple( void (*funcParameter)(void) )
+{
+    /* ... */
+
+    (*funcParameter)();  /* Call the passed function. */
+    funcParameter();     /* Same as above with slight different syntax. */
+
+    /* ... */
+}

Task/Higher-order-functions/C/higher-order-functions-2.c

@@ -0,0 +1,5 @@
+void funcToBePassed(void);
+
+/* ... */
+
+myFuncSimple(&funcToBePassed);

Task/Higher-order-functions/C/higher-order-functions-3.c

@@ -0,0 +1,13 @@
+int* myFuncComplex( double* (*funcParameter)(long* parameter) )
+{
+     long inLong;
+     double* outDouble;
+     long *inLong2 = &inLong;
+
+     /* ... */
+
+     outDouble = (*funcParameter)(&inLong);  /* Call the passed function and store returned pointer. */
+     outDouble = funcParameter(inLong2);     /* Same as above with slight different syntax. */
+
+     /* ... */
+}

Task/Higher-order-functions/C/higher-order-functions-4.c

@@ -0,0 +1,7 @@
+double* funcToBePassed(long* parameter);
+
+/* ... */
+
+int* outInt;
+
+outInt = myFuncComplex(&funcToBePassed);

Task/Higher-order-functions/C/higher-order-functions-5.c

@@ -0,0 +1,5 @@
+int* (*funcPointer)( double* (*funcParameter)(long* parameter) );
+
+/* ... */
+
+funcPointer = &myFuncComplex;