Data commit

Task/Menu/C/menu.c

@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+const char *menu_select(const char *const *items, const char *prompt);
+
+int
+main(void)
+{
+	const char *items[] = {"fee fie", "huff and puff", "mirror mirror", "tick tock", NULL};
+	const char *prompt = "Which is from the three pigs?";
+
+	printf("You chose %s.\n", menu_select(items, prompt));
+
+	return EXIT_SUCCESS;
+}
+
+const char *
+menu_select(const char *const *items, const char *prompt)
+{
+	char buf[BUFSIZ];
+	int i;
+	int choice;
+	int choice_max;
+
+	if (items == NULL)
+		return NULL;
+
+	do {
+		for (i = 0; items[i] != NULL; i++) {
+			printf("%d) %s\n", i + 1, items[i]);
+		}
+		choice_max = i;
+		if (prompt != NULL)
+			printf("%s ", prompt);
+		else
+			printf("Choice? ");
+		if (fgets(buf, sizeof(buf), stdin) != NULL) {
+			choice = atoi(buf);
+		}
+	} while (1 > choice || choice > choice_max);
+
+	return items[choice - 1];
+}