Write a 'C' Program to copy the contents of one file into another file.

#include
void main()
{
    FILE *fs,*ft;
    char s_file[80],t_file[80],ch;
    clrscr();
    printf("ENTER THE SOURCE FILE NAME:: > \n");
    gets(s_file);
    fs = fopen(s_file,"r");
    if(fs == NULL)
    {
        printf("SOURCE FILE DOES NOT EXIST.");
        getch();
        exit();
    }
    printf("\nCONTENTS OF SOURCE FILE::>\n");
    while(1)
    {
        ch = fgetc(fs);
        if(ch == EOF)
            break;
        printf("%c",ch);
    }
    fclose(fs);
    printf("\nENTER TARGET FILE NAME ::>\n");
    gets(t_file);
    ft = fopen(t_file,"w");
    if(ft == NULL)
    {
        printf("CAN NOT OPEN TARGET FILE");
        getch();
        exit();
    }
    fs = fopen(s_file,"r");
    while(1)
    {
        ch = fgetc(fs);
        if(ch == EOF)
            break;
        fputc(ch,ft);
    }
    fclose(fs);
    fclose(ft);
    ft = fopen(t_file,"r");
    printf("\nCONTENTS OF TARGET FILE::>\n");
    while(1)
    {
        ch = fgetc(ft);
        if(ch == EOF)
            break;
        printf("%c",ch);
    }
    printf("\nFILE COPIED SUCCESSFULLY.....");
    getch();
}
/*OUTPUT::
ENTER THE SOURCE FILE NAME:: >
a.txt

CONTENTS OF SOURCE FILE::>
Hello....
Good Morning........
This is ABC
ENTER TARGET FILE NAME ::>
b.txt

CONTENTS OF TARGET FILE::>
Hello....
Good Morning........
This is ABC
FILE COPIED SUCCESSFULLY.....
*/