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À´×Ô£ºhttp://zhangjunhd.blog.51cto.com/113473/100299 
1.¶Áд×Ö·ûº¯Êýputc()Óëgetc()
ÕâÁ½¸öº¯ÊýÀàËÆÓÚputchar()Óëgetchar()º¯Êý¡£¼ÙÉèfpÊÇÒ»¸öFILEÖ¸Õ룬chÊÇÒ»¸ö×Ö·û±äÁ¿£¬
ch = getc(fp);// ch = getchar();
putc(ch,fp);// putchar(ch);
½«ÎļþÄÚÈÝ(°´×Ö·û)Êä³öµ½±ê×¼Êä³öµÄCʵÏÖ£º
#include <stdio.h>
#include <stdlib.h>
/* ½«ÎļþÄÚÈÝ(°´×Ö·û)Êä³öµ½±ê×¼Êä³ö */
void read_ch(char * filename, char * mode)
{
        int ch;
        FILE * fp;
        if ((fp = fopen(filename,mode)) == NULL)
        {
                fprintf(stderr,"Can't open %s.\n",filename);
                exit(1);
        }
        while ((ch = getc(fp)) != EOF)
             putc(ch,stdout);
        fclose(fp);
}
2.¶ÁдÐк¯Êýfgets()Óëfputs()
gets()º¯ÊýÖ»ÐèÒªÒ»¸ö²ÎÊý(char *)£¬¶øfgets()º¯ÊýÐèÒªÈý¸ö²ÎÊý£¬(char *, int, FILE *)¡£µÚÒ»¸ö²ÎÊýÊÇÓÃÓÚ´æ´¢ÊäÈëµÄµØÖ·£¬µÚ¶þ¸ö²ÎÊý±íʾ×Ö·û´®µÄ×î´ó³¤¶È£¬×îºóÒ»¸ö²ÎÊýÊÇFILEÖ¸Õ롣ͨ³£ÊÇ£º
fgets(buf, MAX, fp)£»//gets(buf);
fgets()º¯Êý¶ÁÈ¡µ½ËüËùÓöµ½µÄµÚÒ»¸ö»»ÐзûµÄºóÃæ£¬»òÕß¶ÁÈ¡±È×Ö·û´®µÄ×î´ó³¤¶ÈÉÙÒ»¸ö×Ö·û£¬»òÕß¶ÁÈ¡µ½EOF¡£È»ºóËü»áÔÚĩβÌí¼ÓÒ»¸ö'\0'£¬Õâ¾Í¹¹³ÉÁËÒ»¸ö×Ö·û´®¡£(ÕâºÍgets()²»Í¬£¬Ëü»á¶ÁÈ¡µ½'\n'֮ǰ£¬²¢Ìí¼ÓÒ»¸ö'\0'£¬¶øÔٴζÁȡʱ£¬»á¶ªÆú'\n')¡£Óëgets()ÀàËÆ£¬fgets()Óöµ½EOFʱ»á·µ»ØNULL£¬·ñÔò·µ»Ø´«µÝ¸øËüµÄµØÖ·¡£
fputs()º¯Êý½ÓÊÜÁ½¸ö²ÎÊý£¬(char *, FILE *)¡£Óëputs()²»Í¬µÄÊÇ£¬Ëü²»»á×Ô¶¯Ìí¼Ó'\n'¡£Í¨³£ÊÇ£º
fputs(buf, fp);//puts(buf);
½«ÎļþÄÚÈÝ(°´ÐÐ)Êä³öµ½±ê×¼Êä³öµÄCʵÏÖ£º
#include <stdio.h>
#include <stdlib.h>
#define MAXLINE 21
/* ½«Îļ


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Linux C + + Training


Linux C + + Training
Syllabus
________________________________________
1, Linux Operating System
System Environment: Ubuntu GNU / Linux, RedHat Linux AS5,
FreeBSD
Course Requirements: proficient use of commonly used Linux
/ UNIX commands.
Time: 1 week.
______________________________ ......

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int main(int argc, char* argv[])
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