wcswcs

Locates the first occurrence in the string pointed to by wstr1 of the sequence of wide characters in the string pointed to by wstr2.

Format

#include  <wchar.h>

wchar_t *wcswcs  (const wchar_t *wstr1, const wchar_t
                 *wstr2);

Arguments

wstr1, wstr2

Pointers to null-terminated wide-character strings.

Return Values

Pointer	A pointer to the located wide-character string.
NULL	Indicates that the wide-character string was not found.

Example

#include <stdlib.h>
#include <stdio.h>
#include <wchar.h>

/* This test uses wcswcs() to find the occurrence of each sub     */
/* wide-character string, string1 and string2, within the main    */
/* wide-character string, lookin.                                 */

#define BUF_SIZE 50

main()
    {
    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) == -1) {
        perror("mbstowcs");
        exit(EXIT_FAILURE);
    }

    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) == -1) {
        perror("mbstowcs");
        exit(EXIT_FAILURE);
    }

    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) == -1) {
        perror("mbstowcs");
        exit(EXIT_FAILURE);
    }
    printf("the end: %S\n", wcswcs( buffer,input_buffer) );

    exit(1);
    };

Running this example produces the following results:

Buffer to look in: that this is a test was at the end
this: this is a test was at the end
the end: the end