#include <stdlib.h>

#include <stdio.h>

#include <wchar.h>



/* 

 * This test uses wcswcs() to find the occurrence of each

 * subwide-character string, string1 and string2, within

 * the main wide-character string, lookin.                

 */



#define BUF_SIZE 50



int main(void) {

  static char lookin[] = "that this is a test was at the end";

  char string1[] = "this",

       string2[] = "the end";



  wchar_t buffer[BUF_SIZE],

          input_buffer[BUF_SIZE];



  /* 

   * Convert lookin to wide-character format.

   * Buffer and print it out.

   */

  if (mbstowcs(buffer, lookin, BUF_SIZE) == (size_t)-1) {

      perror("mbstowcs");

      exit(-1);

  }



  printf("Buffer to look in: %S\n", buffer);



  /* 

   * Convert string1 to wide-character format and use

   * wcswcs() to locate it within buffer              

   */

  if (mbstowcs(input_buffer, string1, BUF_SIZE) == (size_t)-1) {

      perror("mbstowcs");

      exit(-1);

  }



  printf("this: %S\n", wcswcs(buffer, input_buffer));



  /* 

   * Convert string2 to wide-character format and use

   * wcswcs() to locate it within buffer

   */

  if (mbstowcs(input_buffer, string2, BUF_SIZE) == (size_t)-1) {

      perror("mbstowcs");

      exit(-1);

  }

  

  printf("the end: %S\n", wcswcs(buffer, input_buffer));

  exit(1);

}