Initialize Project 3, Include STUB functions

++ PA03 files
++ Makefile for PA03

PA03-0920/StandardConstants.h

@@ -0,0 +1,73 @@
+// Preprocessor directives
+#ifndef STANDARD_CONSTANTS_H
+#define STANDARD_CONSTANTS_H
+
+// Include Boolean
+#include <stdbool.h>
+
+// global constants
+
+// constant for end of c-string null character
+#define CARRIAGE_RETURN_CHAR '\r'
+
+//constant for a COLON
+#define COLON ':'
+
+//constant for a COMMA
+#define COMMA ','
+
+//Constant to print a dash
+#define DASH '-'
+
+// highest printable character
+#define HIGHEST_PRINTABLE_CHAR '~'
+
+// constant for huge string length
+#define HUGE_STR_LEN 256
+
+// lowest printable character
+#define LOWEST_PRINTABLE_CHAR ' '
+
+// constant for small string length
+#define MIN_STR_LEN 32
+
+// constant for maximum string length
+#define MAX_STR_LEN 128
+
+// constant for end of c-string null character
+#define NEWLINE_CHAR '\n'
+
+// first non-printable above ASCII
+#define DELETE_KEY 127
+
+// constant for end of c-string null character
+#define NULL_CHAR '\0'
+
+// columns found in grade sheet before grading columns
+#define NUM_BASE_COLS 5
+
+// constant for number of grading frequency bins
+#define NUM_FREQUENCY_BINS 10
+
+//Constant for printing a pipe
+#define PIPE '|'
+
+//Constant for a period
+#define PERIOD '.'
+
+//Constant for PRECISION, 2 digits
+#define PRECISION_2 2
+
+//Constant for PRECISION, 4 digits
+#define PRECISION_4 4
+
+// constant for space character
+#define SPACE ' '
+
+// constant for standard string length
+#define STD_STR_LEN 64
+
+// constant for smallest string length
+#define TINY_STR_LEN 16
+
+#endif  // STANDARD_CONSTANTS