name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-5572165936844014&dt=1194442938015&lmt=1194190197&format=336x280_as&output=html&correlator=1194442937843&url=file%3A%2F%2F%2FC%3A%2FDocuments%2520and%2520Settings%2Flhh1%2F%E6%A1%8C%E9%9D%A2%2FCLanguage.htm&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=FFFFFF&color_border=FFFFFF&ad_type=text&ga_vid=583001034.1194442938&ga_sid=1194442938&ga_hid=1942779085&flash=9&u_h=768&u_w=1024&u_ah=740&u_aw=1024&u_cd=32&u_tz=480&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"> #include <stdio.h>
#include <alloc.h>
void main(void)
{
char *ptr;
printf("Starting heap available %u/n", coreleft());
ptr = malloc(1); // Get pointer to current break value
if (brk(ptr + 512) == 0)
printf("Ending heap available %u/n", coreleft());
}
C语言内存管理示例
本文展示了一个使用C语言进行内存管理的例子,包括获取当前内存断点值并尝试扩展堆空间的方法。通过调用标准库函数如malloc和brk来演示如何分配和设置新的内存断点。
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