C Program To Read And Write The Contents Into Of A File

#include< conio.h >

#include< stdio.h >

#include

void main()

{

FILE *fp;

char c;

clrscr();

fp=fopen("demo.txt","w");

if(fp==NULL)

{

printf("can't open file\n");

exit(1);

}

printf("write data and to stop press =>'.'\n");

while(c!='.')

{

c=getche();

fputc(c,fp);

}

fclose(fp);

printf("\n Read Data from File =>\n");

fp=fopen("demo.txt","r");

while(!feof(fp))

printf("%c",getc(fp));

getch();

}

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OUT PUT:

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Write data and to stop press => ’.’

C Programs.

 Read Data from File =>

C Programs.