函数名: sbrk 功 能: 改变数据段空间位置 用 法: char *sbrk(int incr); 程序例:
#include <stdio.h> #include <alloc.h>
int main(void) { printf("Changing allocation with sbrk()/n"); printf("Before sbrk() call: %lu bytes free/n", (unsigned long) coreleft()); sbrk(1000); printf(" After sbrk() call: %lu bytes free/n", (unsigned long) coreleft()); return 0; }