#include <stdio.h>

　　main()

　　{

　　int c;    /* Character read from the file. */

　　FILE *ptr;   /* Pointer to the file. FILE is a

　　structure  defined in <stdio.h> */

　　/* Open the file - no error checking done */

　　ptr = fopen("/etc/hosts","r");

　　/* Read one character at a time, checking

　　for the End of File. EOF is defined

　　in <stdio.h>  as -1    */

　　while ((c = fgetc(ptr)) != EOF)

　　{

　　printf("%c",c);  /* O/P the character to the screen */

　　}

　　fclose(ptr);   /* Close the file.   */

　　}