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#include "stdio_impl.h" int fclose(FILE *f) { int r; int perm = f->flags & F_PERM; if (!perm) { OFLLOCK(); if (f->prev) f->prev->next = f->next; if (f->next) f->next->prev = f->prev; if (ofl_head == f) ofl_head = f->next; OFLUNLOCK(); } r = fflush(f) | f->close(f); if (!perm) free(f); return r; }