const char *file, unsigned line);
int failtest_close(int fd, const char *file, unsigned line);
int failtest_fcntl(int fd, const char *file, unsigned line, int cmd, ...);
const char *file, unsigned line);
int failtest_close(int fd, const char *file, unsigned line);
int failtest_fcntl(int fd, const char *file, unsigned line, int cmd, ...);