摘要：#include <unistd.h> int brk(void * end_data_segment) return 0 on success -1 on error 系统会将program break设置为参数end_data_segment所指定的位置， void *sbrk(intptr_t 阅读全文

摘要：#include <setjmp.h> int setjmp(jmp_buf env); returns 0 on initial call,nonzero on return via longjmp() void longjmp(jmp_env,int val); setjmp()函数初次执行的时 阅读全文