ref: b868a47d2e43c8f622f2a0f65a926dd1c6c33a96 dir: /lib/c/rewind.c/
#include <stdio.h> #undef rewind void rewind(FILE *fp) { fp->flags &= ~_IOERR; fseek(fp, 0, SEEK_SET); clearerr(fp); }