wcstombs_s 宽字节转多字节

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// crt_wcstombs_s.c  // This example converts a wide character  // string to a multibyte character string.  #include <stdio.h>  #include <stdlib.h>  #include <assert.h>      #define BUFFER_SIZE 100      int main( void )  {      size_t   i;      char      *pMBBuffer = (char *)malloc( BUFFER_SIZE );      wchar_t*pWCBuffer = L"Hello, world.";          printf( "Convert wide-character string:\n" );          // Conversion      wcstombs_s(&i, pMBBuffer, (size_t)BUFFER_SIZE,                  pWCBuffer, (size_t)BUFFER_SIZE );          // Output      printf("   Characters converted: %u\n", i);      printf("    Multibyte character: %s\n\n",       pMBBuffer );          // Free multibyte character buffer      if (pMBBuffer)      {      free(pMBBuffer);      }  }

　　

 

From: https://blog.csdn.net/ychw365/article/details/7034950