c 語言練習__去掉多余的空白字符_修正

#include <stdio.h><.h><errno.h>

 BUF_SIZE 128



 remove_extra_space( * *s = str;    
     *prv = NULL;    

    (; prv==NULL ||*prv != ; ++str){    
         (* : *str =  ;    
              
                    (prv == NULL || *prv ==  || *prv ==    (prv ==
                        (*str ==   ( *prv ==   || *prv == *prv = *               
                        (s !=*s = *=++         main( argc, * read_buf[BUF_SIZE] = { read_size = =  ((read_size = fread(read_buf,  (), BUF_SIZE-, stdin)) >=  (errno !=