06 September 2023 06:42:05 PM

ppc_fgets_demo():
  C version
  Demonstrate how fgets() reads data from a buffer.

# include <stdio.h>
# include <time.h>

# define BUFLEN 16

int main ( );
void timestamp ( );

/******************************************************************************/

int main ( )

/******************************************************************************/
/*
  Purpose:

    ppc_fgets_demo() shows how fgets() reads character data into a buffer.

  Licensing:

    This code is distributed under the GNU LGPL license. 

  Modified:

    05 September 2023

  Author:

    John Burkardt

  Reference:

    Rouben Rostamian,
    Programming Projects in C 
    for Students of Engineering, Science, and Mathematics,
    SIAM, 2014,
    ISBN: 978-1-611973-49-5
*/
{
  char buf[BUFLEN];

  timestamp ( );
  printf ( "\n" );
  printf ( "ppc_fgets_demo():\n" );
  printf ( "  C version\n" );
  printf ( "  Demonstrate how fgets() reads data from a buffer.\n" );
  printf ( "\n" );

  while ( fgets ( buf, BUFLEN, stdin ) != NULL )
  {
    printf ( "%s", buf );
  }
/*
  Terminate.
*/
  printf ( "\n" );
  printf ( "ppc_fgets_demo():\n" );
  printf ( "  Normal end of execution.\n" );
  timestamp ( );

  return 0;
}
/******************************************************************************/

void timestamp ( )

/******************************************************************************/
/*
  Purpose:

    timestamp() prints the current YMDHMS date as a time stamp.

  Example:

    17 June 2014 09:45:54 AM

  Licensing:

    This code is distributed under the GNU LGPL license. 

  Modified:

    01 May 2021

  Author:

    John Burkardt
*/
{
# define TIME_SIZE 40

  static char time_buffer[TIME_SIZE];
  const struct tm *tm;
  time_t now;

  now = time ( NULL );
  tm = localtime ( &now );

  strftime ( time_buffer, TIME_SIZE, "%d %B %Y %I:%M:%S %p", tm );

  printf ( "%s\n", time_buffer );

  return;
# undef TIME_SIZE
}


ppc_fgets_demo():
  Normal end of execution.
06 September 2023 06:42:05 PM