Dictionary Word Search C Program

How to write a C Program to Find Dictionary Word Search ?

Solution For C Program to Find a Word in Dictionary :

C Program to copy a file to another file

How to write a C Program to copy a file to another file in C Programming Language ?

This C Program to copy a file to another file.

Solution:

1. #include<stdio.h>
2. void main()
3. {
4.         FILE *fp1,*fp2;
5.         char ch;
6.         char fname1[30],fname2[30];
7.         printf("Enter the source file: ");
8.         fflush(stdin);
9.         scanf("%s",fname1);
10.         printf("Enter the destination file: ");
11.         fflush(stdin);
12.         scanf("%s",fname2);
13.         fp1=fopen(fname1,"r");
14.         fp2=fopen(fname2,"w");
15.         if(fp1==NULL)
16.         {
17.                 printf("\n cannot open file %s for reading",fname1);
18.                 exit(1);
19.         }
20.         else if(fp2==NULL)
21.         {
22.                 printf("\n cannot open file %s for writing",fname2);
23.                 exit(1);
24.         }
25.         else
26.         {
27.                 ch=getc(fp1);
28.         while(ch!=EOF)
29.         {
30.                 putc(ch,fp2);
31.                 ch=getc(fp1);
32.         }
33.         fclose(fp1);
34.         fclose(fp2);
35.         printf("\n files copied");
36.         }
37. }

C Program to Find the Size of File using File Handling Function

How to write a C Program to Find the Size of File using File Handling Function in C Programming Language ?

Solution:

/*
 * C Program to Find the Size of File using File Handling Function
 */
#include <stdio.h>
 
void main(int argc, char **argv)
{
    FILE *fp;
    char ch;
    int size = 0;
 
    fp = fopen(argv[1], "r");
    if (fp == NULL)
        printf("\nFile unable to open ");
    else 
        printf("\nFile opened ");
    fseek(fp, 0, 2);    /* file pointer at the end of file */
    size = ftell(fp);   /* take a position of file pointer un size variable */
    printf("The size of given file is : %d\n", size);    
    fclose(fp);
}

C Program Read a char & print next char ( file to file )

How to write a c program to read a char & print next char ( file to file ) in C Programming Language ?

Solution:
/* Read a char & print next char ( file to file ) : A character should be written in the file named "readfile.txt" beforehand and we will take this as input to be manipulated and finally written into the file named "writefile.txt" */