made the header file for the makefile

qsort.h

+ /*------------------------------------
+ * Miguel Espino
+ * ll352639
+ * lfc083
+ * ------------------------------------*/
+
+#ifndef QSORT_H
+#define QSORT_H
+
+typedef int (*Comparator)(void *,void *);
+
+int compareComplex(void *first, void *second);
+
+int compareDouble(void *first, void *second);
+
+int compareInt(void *first, void *second);
+
+void swap(void *v[], int i, int j);
+
+void myQsort(void *v[], int left, int right, Comparator comp);
+
+int myGetline(char s[], int lim);
+
+int *readlines(char *lineptr[], int maxLines);
+
+void writelines(char *lineptr, int nlines);
+
+#endif