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    标题：C库函数 mblen()

    C库函数 mblen()

    #include <stdio.h>

#include <stdlib.h>

#include <string.h>



int main () {

   int len;

   char *pmbnull  = NULL;

   char *pmb = (char *)malloc( MB_CUR_MAX );

   wchar_t *pwc = L"Hi";

   wchar_t *pwcs = (wchar_t *)malloc( sizeof( wchar_t ));



   printf("Converting to multibyte string\n");

   len = wcstombs( pmb, pwc, MB_CUR_MAX);

   printf("Characters converted %d\n", len);

   printf("Hex value of first multibyte character: %#.4x\n", pmb);



   len = mblen( pmb, MB_CUR_MAX );

   printf( "Length in bytes of multibyte character %x: %u\n", pmb, len );



   pmb = NULL;



   len = mblen( pmb, MB_CUR_MAX );

   printf( "Length in bytes of multibyte character %x: %u\n", pmb, len );



   return(0);

}

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