ref: 1ec4d62ccec0872d1ecc64f6834e5ea8d36f7a1f dir: /lib/c/rewind.c/
#include <stdio.h> #undef rewind void rewind(FILE *fp) { fp->flags &= ~_IOERR; fseek(fp, 0, SEEK_SET); clearerr(fp); }