update project structure & create Makefile

include/students.h

@@ -0,0 +1,34 @@
+#include <stdbool.h>
+#include "csv.h"
+#include "main.h"
+
+#ifndef STUDENTS_H_INCLUDED
+#define STUDENTS_H_INCLUDED
+
+typedef struct {
+  char crsNo[MAX_COURSE_NO_LEN];
+  char description[MAX_COURSE_DES_LEN];
+  bool alternate;
+} REQUEST;
+
+typedef struct {
+  uint32_t pupilNum;
+  REQUEST *requests;
+  uint8_t requestsLen;
+  char **schedule;
+  uint8_t expectedClasses;
+  uint8_t classes;
+  REQUEST *remainingAlts;
+  uint8_t remainingAltsLen;
+  uint8_t grade;
+} STUDENT;
+
+
+typedef struct {
+  uint32_t uniquePupilNumbers[MAX_STUDENTS];
+  size_t numberOfStudents;
+} UNIQUE_STUDENTS; 
+
+UNIQUE_STUDENTS getNumberOfStudents(CSV_LINE *lines, size_t lines_len);
+STUDENT *getStudents(CSV_LINE *lines, size_t lines_len, int total_blocks, UNIQUE_STUDENTS students_info);
+#endif