clearerr
clearerr(stdin);
clearerr(fp);
clearerr(stdin);
clearerr(stdin);
clearerr(stdin);
clearerr(stdin);
clearerr(stdin);
clearerr(stdin);
clearerr(stdin);
clearerr(stdin);
clearerr(stdin);
clearerr(stdin);
clearerr(dictfp);
clearerr(stdin); /* omit if clearerr is
void clearerr(FILE *);
#define clearerr(p) (!__isthreaded ? __sclearerr(p) : (clearerr)(p))
clearerr(__ktrfmtin); \
clearerr(stdin);
clearerr(file); \
clearerr(instr);
clearerr(outstr);
clearerr(instr);
clearerr(outstr);
clearerr(mytty);
clearerr(stdin);
clearerr(mfl);
clearerr(fd);
clearerr(stdin);
clearerr(f);
clearerr(of);
clearerr(stdin);
clearerr(stdin);
clearerr(yyin); \
clearerr(stdin);
clearerr(ibuf);
clearerr(stdin);
clearerr(stdin);
clearerr(outf);
clearerr(f);
clearerr(stdin);
clearerr(stdin);
clearerr(fp);
clearerr(file);
clearerr(stdin);
clearerr(file->fp);
clearerr(stdin);