feof Function

Tests for end-of-file.

Include

<stdio.h>

Prototype

int feof(FILE *stream);

Argument

Return Value

Returns non-zero if stream is at the end-of-file; otherwise, returns zero.

Example

#include <stdio.h> /* for feof, fgetc, fputc, */
                   /* fopen, fclose, FILE,   */
                   /* NULL */

int main(void)
{
  FILE *myfile;
  int y = 0;

  if( (myfile = fopen( "afile.txt", "rb" )) == NULL )
    printf( "Cannot open file\n" );
  else
  {
    for (;;)
    {
      y = fgetc(myfile);
      if (feof(myfile))
        break;
      fputc(y, stdout);
    }
    fclose( myfile );
  }
}

Example Input

Contents of afile.txt (used as input):

This is a sentence.

Example Output

This is a sentence.