C programming file handling

1. From ArguSacademy

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5. #include<stdio.h>
void main()
{
char ch;
FILE *fptr;
fptr =fopen("c:myfile.txt","a");
printf("Enter the data to be stored in a filen");
while((ch=getchar())!=EOF)
{
fputc(ch,fptr);
}
fclose(fptr);
fptr=fopen("c:myfile.text","r");
while((ch=fgetc(fptr))!=EOF)
{
printf("%c",ch);
}
fclose(fptr);
}
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6. EXTRA

7. #include<stdio.h>
void main()
{
char ch;
FILE *fp;
fp=fopen("sample.txt","w");
printf("Input a character::n");
while((ch=fgetc(stdin))!=EOF)
{
fputc(ch,fp);
}
fclose(fp);
fp=fopen("sample.txt","r");
while((ch=fgetc(fp))!=EOF)
printf("%c",ch);
}
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10. #include<conio.h>
void main()
{
FILE *fp;
char s[100];
fp=fopen("text.txt","w");
if(fp==NULL)
{
puts("cannot open a file");
exit(1);
}
printf("Enter a text (type end to stop):n");
while(strcmp(gets(s),"end")!=0)
{
fputs(s,fp);
}
fclose(fp);
fp=fopen("text.txt","r");
if(fgets(s,10,fp)!=NULL)
{
printf("%s",s);
}
}
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