clearerr _djstat_describe_lossage _djstat_fail_bits _djstat_flags _doprnt _doscan errno fclose fdopen feof ferror fflush fgetc fgetpos fgets fileno _fmode fopen fprintf fpurge fputc fputs fread freopen fscanf fseek fsetpos fstat fsync ftell ftruncate _fwalk fwrite getc getchar gets getw perror PRI printf putc putchar puts putw rewind scanf SCN setbuf setbuffer setlinebuf setvbuf snprintf sprintf sscanf strerror sys_errlist sys_nerr tmpfile tmpnam _truename _truename_sfn ungetc vfprintf vfscanf vprintf vscanf vsnprintf vsprintf vsscanf