/*----------------------------------------------------------

  Elizabeth Sklar
  MC140.0X
  6 December 2000

  This program contains a function that reads one line of 
  input (that may contain whitespace) from the keyboard 
  and returns a string (that contains the whitespace).
 
----------------------------------------------------------*/

#include <stdio.h>


/*--------------------------------------------------------*/
/* readInput                                              */
/*                                                        */
/* This function reads characters from the keyboard and   */
/* stops when a newline ('\n') character is read.         */
/*                                                        */
/* The function places all the characters -- which may    */
/* include spaces -- into a string (except the '\n') and  */
/* returns that string.                                   */
/*                                                        */
/* The function allocates storage for the string it       */
/* returns, so a calling function does not need to        */
/* allocate a string and only need allocate a pointer,    */
/* then assign that pointer to the value returned by the  */
/* function.                                              */
/*                                                        */
/*--------------------------------------------------------*/
void readLine( char buf[],int bufsize ) {

  unsigned int k;
  char     c = '\0';
  int      i = 0;

  while (( i < bufsize ) &&
	 (( k = fgetc( stdin )) != EOF ) &&
	 (( c = (char)k) != '\n' )) {
    buf[i++] = c;
  }
  buf[i] = '\0';

} /* end of readLine() */



int main() {

  char buf[1024];

  printf( "enter a string: " );
  readLine( buf,1024 );
  printf( "string=%s\n",buf );

}