MLReleaseUTF8String()

void MLReleaseUTF8String(MLINK link, const unsigned char *s, int len)
释放由 MLGetUTF8String()分配的存储 UTF-8 编码字符串 s 的内存.

更多信息更多信息

  • MLReleaseUTF8String()MathLink 标头文件 mathlink.h 中被声明.

范例范例打开所有单元关闭所有单元

基本范例 (1)基本范例 (1)

#include "mathlink.h"

/* read a UTF-8 encoded string from a link and then release the memory to MathLink for deallocation */

void f(MLINK lp)
{
    const unsigned char *string;
    int number_of_bytes;
    int number_of_characters

    if(! MLGetUTF8String(lp, &string, &number_of_bytes, &number_of_characters))
        { /* unable to read the UTF-8 encoded string from lp */ }

    /* ... */

    MLReleaseUTF8String(lp, string, number_of_bytes);
}
New to Mathematica? Find your learning path »
Have a question? Ask support »