ref: b468bd384fac1892386db9ff7a4da8c081ca9138
dir: /lib/c/fclose.c/
#include <stdio.h> #undef fclose int fclose(FILE *fp) { int r = EOF; if ((fp->flags & _IOSTRG) == 0 && fp->flags & (_IOWRITE | _IOREAD | _IOWR)) { r = 0; if (fflush(fp) == EOF) r = EOF; if (close(fp->fd) < 0) r = EOF; } if (fp->flags & _IOALLOC) { free(fp->buf); fp->buf = NULL; } fp->flags &= ~(_IOWRITE | _IOREAD | _IOWR | _IOERR | _IOEOF | _IOALLOC | _IOTXT | _IOSTRG); return r; }