#include<stdio.h>
#include<string.h>
int main(){
        char filename[FILENAME_MAX];
        char buffer[256];
        FILE*fp;
 
        strcpy(filename,"/dev/stdin");
        if((fp = fopen(filename,"r")) == NULL){
                printf("ファイル%sが見つかりません。\n",filename);
                return(-1);
        }
 
        while(fgets(buffer,256,fp) != NULL){
                printf("%s",buffer);
        }
        fclose(fp);
    	return 0;
}