#include<stdio.h>
#include<string.h>
 
int main(){
        char filename[FILENAME_MAX];
        char buffer;
        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((buffer = fgetc(fp))!=EOF){
                printf("%c",buffer);
        }
        fclose(fp);
}

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