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#include <stdio.h>
#include <stdlib.h>
#define MAX_FN 50
#define MAX 3
typedef struct
{
int id_no;
char FName[20];
char LName[20];
}Studrec;
typedef Studrec StudArray[MAX];
void CreateFile(char Filename[])
{
FILE *TheFile;
if((TheFile = fopen(Filename, "wb")) != NULL)
{
puts("File successfully created!");
fclose(TheFile);
}
else
{
perror("ERROR");
exit(EXIT_FAILURE);
}
}
Studrec InputRecord()
{
Studrec RecArray;
printf("Enter ID #: ");
fflush(stdin);
scanf("%d", &RecArray.id_no);
printf("Enter First Name: ");
fflush(stdin);
gets(RecArray.FName);
printf("Enter Last Name: ");
fflush(stdin);
gets(RecArray.LName);
return RecArray;
}
void ReadFile(char Filename[])
{
FILE *TheFile;
int i;
StudArray RetrieveRec;
if((TheFile = fopen(Filename, "rb")) != NULL)
{
for(i=0;i<MAX;i++)
{
fread(&RetrieveRec[i], sizeof(StudArray), 1, TheFile);
puts(RetrieveRec[i].FName);
}
fclose(TheFile);
}
}
void InputFile(StudArray GetRec[], char Filename[])
{
FILE *TheFile;
int i;
if((TheFile = fopen(Filename, "r+b")) != NULL)
{
for(i=0;i<MAX;fwrite(&GetRec[i], sizeof(StudArray), 1, TheFile), i++);
fclose(TheFile);
}
}
int main(void)
{
StudArray GetRec;
char Filename[MAX_FN];
int i;
printf("Name for the new file: ");
gets(Filename);
CreateFile(Filename);
for(i=0;i<MAX;GetRec[i] = InputRecord(), i++);
InputFile(&GetRec,Filename);
ReadFile(Filename);
return 0;
}
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