Added files from first programming course at OSU

OSU Coursework/CS 161 - Intro to Programming I/Labs/Lab 5/flush.c

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+/*
+ * Original Author: Corwin A. Perren (perrenc)
+ * File: flush.c
+ * Created: 2012 February 16, 03:11 by perrenc
+ * Last Modified: 2012 February 16, 03:11 by perrenc
+ * 
+ * Has the user input some text, prints out the first character entered along with its
+ * ascii code and then reruns until it receives a "%" character.
+ *
+ */
+ 
+#include <stdio.h>
+
+/* ------Begin Functions------ */
+
+/*Has the user input text, uses getchar to store the first character, then loops through
+ * getchar until the buffer is clear when it receives a "\n". */
+char getchar_and_flush(){
+	char foo; //Used for temp user input storage
+	int loop; //Used for looping to clear the buffer
+
+	printf("Please enter some text. Press enter to finish. To quit, type a \"%\" symbol. ");
+	foo = getchar ();
+	loop = foo;
+	while(loop != '\n'){
+		loop = getchar ();
+	}	
+	return foo;
+}
+
+
+/* ------End Functions------ */
+
+/* Initalizes foo, clears the screen, then calls getchar_and_flush until the return 
+ * character is "%" */
+int main(int argc, char **argv){
+
+	char foo; //Used to check the return value of getchar_and_flush for looping
+
+	system("clear");
+
+	while(foo != '%'){
+		foo = getchar_and_flush();
+		printf("\nThe first character was %c or %d in ASCII.\n\n", foo, foo);
+	}
+	return 0;
+}