MLReleaseUTF8Symbol()

void MLReleaseUTF8Symbol(MLINK link, const unsigned char *s, int len)
释放由 MLGetUTF8Symbol() 分配的存储对应于一个符号名称的 UTF-8 编码字符字符串 s 的内存.

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  • MLReleaseUTF8Symbol()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 symbol from a link and then release the memory to MathLink for deallocation */

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

    if(! MLGetUTF8Symbol(lp, &symbol, &number_of_bytes, &number_of_characters))
        { /* unable to read the UTF-8 encoded symbol from lp */ }

    /* ... */

    MLReleaseUTF8Symbol(lp, symbol, number_of_bytes);
}
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