/*A C PRORAM TO USE low level file operations/...fopen...fgetc...fputc...fclose*/

 1 /*A C PRORAM TO USE low level file operations/...fopen...fgetc...fputc...fclose*/

  2 #include<stdio.h>

  3 #include<stdlib.h>

  4 int main()

  5 {

  6         char ch,sor[10],tar[10];

  7         FILE *fd,*wfd;

  8         gets(sor);

  9         puts(sor);

 10         fd=fopen("anu","r");//there are 2 arguments to open the file using fopen...1st is name of f    ile that is to be open....& 2nd is mode in which file is to open...//

 11         gets(tar);

 12         puts(tar);

 13         wfd=fopen("dest","w");//again fopen is used...//

 14         ch=fgetc(fd);//once read one character from the file...fgetc has only 1 argument..that file     descriptor of FILE type pointer...fgetc takes fd as argument & return characer value...//

 15         printf("ch=%c\n",ch);//print if character value is correct..//

 16         fputc(ch,wfd);//fputc has 2 arguments...//..1st one is character which is to be put in file     which is open in write only mode...&...another is file descriptor of FILE type...//

 17         while((ch=fgetc(fd)) != EOF)//in the same way ..read each & every character from descriptor     of file & in while loop write that character into ch into wfd descriptor...//

 18         {

 19                 fputc(ch,wfd);

 20                 printf("ch=%c\n",ch);

 21                 //sleep(1);

 22

 23         }

 24         fclose(fd);//close the descriptors using fclose

 25         fclose(wfd);

 26         return 0;

 27 }