ref: 2b1d0de25b9fa7aea6d32bf7d423d24e08becbe7 dir: /lib/c/rewind.c/
#include <stdio.h> #undef rewind void rewind(FILE *fp) { fp->flags &= ~_IOERR; fseek(fp, 0, SEEK_SET); clearerr(fp); }