¬<="#\rmainCh(headStu,headTch);ywäåz$æ*z$\rreturn 0;.\r)\rmain.c\r#include<stdio.h>\r#include<stdlib.h>\r#include<string.h>\r#include"menu.h"\r#include"student.h"\r#include"teacher.h"\rint main()\rintj;\rFILE *fp;\rstudent headS tu;//ÆÇ"#\rteacher headTch; ÆÇ<="#\r#ifO\rif((fp=fopen("student.txt","r"))==NULL)\r(\rfclose(fp);\r#endif\rinitializeStu();ywz$\r#ifO\relse\rfclose(fp);\r)\rif((fp=fopen("teacher.txt","r"))==NULL).\rfclose(fp);\r#endif\rinitializeTch(); yw<=z$\r#ifO\r)\relse\r(\rfclose(fp);\r}\r#endif\rheadStu=creatStuLin();«¬"#\rheadTch=creatTchLin();«¬<="#\rmainCh(headStu,headTch);ywäåz$æ*z$\rreturn 0;\r)