musl-tcc/src/stdio/ferror.c

#include "stdio_impl.h"

#undef ferror

int ferror(FILE *f)
{
	FLOCK(f);
	int ret = !!(f->flags & F_ERR);
	FUNLOCK(f);
	return ret;
}

weak_alias(ferror, ferror_unlocked);
weak_alias(ferror, _IO_ferror_unlocked);