ref: 3f7e54a705c0f7a6e6807285e00167f2af5e3d88 dir: /lib/c/rewind.c/
#include <stdio.h> #undef rewind void rewind(FILE *fp) { fp->flags &= ~_IOERR; fseek(fp, 0, SEEK_SET); clearerr(fp); }