2015-08-10 C言語でfgetsとprintfでcatコマンド #include <stdio.h> #define BUF 256 int main(void){ FILE *fp; char s[256]; if *1 == NULL ){ perror ("error"); } while(fgets(s,BUF,fp) != NULL ) { printf("%s",s); } } *1:fp = fopen("bbb.txt","r"