C Program to Write on Data File and Read From Data File

Program : Write on the Data File

#include<stdio.h>
#include<conio.h>
struct stud
{
  int roll;
  char name[12];
  int percent;
}s = {10,"SMJC",80};
void main()
{
FILE *fp;
struct stud s1;
clrscr();
fp = fopen("ip.txt","w");
/* write struct s to file */
fwrite(&s, sizeof(s), 1,fp); 
fclose(fp);
fp = fopen("ip.txt","r");
/* read struct s to file */
fread(&s1, sizeof(s1), 1,fp); 
fclose(fp);
printf("\nRoll    : %d",s1.roll);
printf("\nName    : %s",s1.name);
printf("\nPercent : %d",s1.percent);
}

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Output :

Roll    : 10
Name    : SMJC
Percent : 80

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Tags / Keywords : | read file, write on File

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