#include <stdio.h>                                                              
#include <stdlib.h>                                                             
#include <string.h>                                                             
                                                                                
#define TRUE         0                                                          
#define FALSE       -1                                                          
                                                                                
void main(void){                                                                
   int fildes;                                                                  
   struct stat info;                                                            
   char dir[] = "/QATMHSTOUT/ERR404.HTM";                                       
   long len;                                                                    
   char* buf; /* ポインタとして定義 */                                          
                                                                                
   if((fildes = open(dir, O_RDONLY)) == FALSE){                                 
      printf("NOT FOUND %s\n", dir);                                            
      getchar();                                                                
      return;                                                                   
   }                                                                            
   /*( ファイル・サイズを取得 )*/                                               
   if(lstat(dir, &info) == FALSE){                                              
      printf("CANNOT GET FILE SIZE\n");                                         
      getchar();                                                                
      return(FALSE);                                                            
   }                                                                            
   len = (long)info.st_allocsize;                                               
   /*( 読み取りバッファーを確保 )*/                                             
   buf = (unsigned char *)malloc(len);                                          
   memset(buf, 0, sizeof(buf));                                                 
   byte_red = read(fildes, buf, len);                                           
   printf("READ  OK\n");/*DEBUG*/                                               
   getchar();                                                                   
   buf[byte_red] = 0x00;                                                        
   pos = 0;                                                                     
  #pragma convert(850)                                                          
   ptr = strstr(buf, "T1.SHCODE");                                              
   #pragma convert(0)                                                           
   if(ptr != NULL){                                                             
     pos = (int)(ptr - buf);                                                    
     printf("found SHCODE = %d\n", pos);getchar();                              
   }                                                                            
   else{                                                                        
     printf("not found SHCODE\n");getchar();                                    
   }                                                                            
    getchar();                                                                  
}