标签:blog class code color get int string 2014 http cti com
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#include <stdio.h>void
pr_stdio(const
char *, FILE
*);int main(){ FILE
*fp; fputs("enter any character\n",stdout); if(getchar()==EOF) printf("getchar error"); fputs("one line to standard error\n",stderr); pr_stdio("stdin",stdin); pr_stdio("stdout",stdout); pr_stdio("stderr",stderr); if((fp=fopen("/etc/motd","r"))==NULL) printf("fopen error"); if(fgetc(fp)==EOF) printf("getc error"); pr_stdio("/etc/motd",fp); return
0;}void
pr_stdio(const
char *name, FILE
*fp){ printf("stream=%s, ",name); if(fp->_flags & _IO_UNBUFFERED) printf("unbuffered"); else
if(fp->_flags & _IO_LINE_BUF) printf("line buffered"); else printf("fully buffered or modified"); printf(",buffer size = %d\n",fp->_IO_buf_end-fp->_IO_buf_base);} |
在Ubuntu下运行如下:

标签:blog class code color get int string 2014 http cti com
原文地址:http://www.cnblogs.com/lakeone/p/3702687.html