What is the reason why the sports lottery sales terminal failed to establish a network connection?

//Give me 800 Fortune # include # define n60 # define buflen1024 Typedef struct tag record {charname [n]; Character number [n]; char tel[N]； Struct tagRecord * next} record, * PtRecordtypedef enumerates tag types {ByName= 1, ByNum, ByTel, }Type. Typedef enumerates and marks the menu {Quit=0, Add, Del, Find, Output, OutputAll, Alter,} Menuvoid processmenu (menu m); void init()； void begin()； void freeall()； int add()； void del(int n)； PtRecord find(char *v，Type t)； Void output (int n); void output all()； void alter()； char temp[BufLen]={'\0'}，temp2[BufLen]={'\0'}，quit[]= " quit "； PtRecord head and tail; int main(){ begin()； System ("suspended"); Return to EXIT _ SUCCESS}// process menu void processmenu {