#include #include #include "syscall.h" void __procfdname(char *, unsigned); int fchown(int fd, uid_t uid, gid_t gid) { int ret = __syscall(SYS_fchown, fd, uid, gid); if (ret != -EBADF || fd < 0) return __syscall_ret(ret); char buf[15+3*sizeof(int)]; __procfdname(buf, fd); return syscall(SYS_chown, buf, uid, gid); }