Changing student status management system to dormitory management system

Define a form such as a symbol (pointer variable) that represents a file

FILE * fp

Program code

# include "stdio.h"

# include "stdlib.h"

# include "string.h"

# include "conio.h"

# define PAGE 3

# define MAX 1000

# define N 5

Int kryp0

/ * structure type * /

Typedef struct

{char name [20]; / * name * /

Char sex [5]; / * gender * /

Int num;/* × × × number * /

Int age;/* Age * /

Char studentclass [20]; / * apartment number * /

Int score;/* apartment cleaning score * /

} STUDENTS

Int read_file (STUDENTS stu [])

{FILE * fp

Int iTunes 0

If ((fp=fopen ("stu.txt", "rt")) = = NULL)

{printf ("\ n\ n* inventory file does not exist! please create")

Return 0

}

While (feof (fp)! = 1)

{

Fread (& stub [I], sizeof (STUDENTS), 1meme FP)

If (StuI] .num = = 0)

Break

Else

ITunes +

}

Fclose (fp)

Return i

}

Void save_file (STUDENTS stu [], int sum)

{FILE*fp

Int i

If ((fp=fopen ("stu.txt", "wb")) = = NULL)

{printf ("file write error!\ n")

Return

}

For (iSuppli)