编程学习网为您整理以下代码实例，主要实现：C语言库mblen()函数，希望可以帮到各位朋友。
#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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