C Program to detect and printf the error message using perror() function

C Program to detect and printf the error message using perror() function.

/* C Program to detect and printf the error message using perror() function*/

#include <stdio.h>

#include <conio.h>

#include <process.h>

void main()

{

FILE *fr;

char c, file[] = "lines.txt";

fr=fopen(file, "w");

clrscr();

while(!feof(fr)) /* not end of the file */

{

     c=fgetc(fr);

     if(ferror(fr)) /* ferror() reports error */

     {

          perror(file); /* perror() prints compilers messages */

          exit(1);

     } /* if /*

     else

          printf("%c", c);

     getch();

} /* while

fclose(fr); /* file close function closes a file */

}

OUTPUT

lines.txt: permission denied