摘要：
#include <unistd.h>#include <stdlib.h>int main(){ char buffer[128]; int nread; nread=read(0,buffer,128); if(nread==-1) write(2,"A read error has occurred\n",26); if((write(1,buffer,nread))!=nread) write(2,"A write error has occurred\n"... 阅读全文
摘要：
#include <unistd.h>#include <stdlib.h>int main(){ if((write(1,"here is some data\n",18))!=18) write(2,"write error\n",12); exit(0);}原型：#include <unistd.h>size_t write(int fildes,const void *buf,size_t nbytes);write()的第一个参数：0标准输入，1标准输出，2标准错误 第二个参数：写入的数据 第三个参数：写入如 阅读全文