ref: 8eae1d47c3534a3ce3902a8895e80dbb4f90375a dir: /lib/c/stdio/rewind.c/
#include <stdio.h> #undef rewind void rewind(FILE *fp) { fp->flags &= ~_IOERR; fseek(fp, 0, SEEK_SET); clearerr(fp); }