esp-idf/components/newlib/include/envlock.h

/* envlock.h -- header file for env routines.  */

#ifndef _INCLUDE_ENVLOCK_H_
#define _INCLUDE_ENVLOCK_H_

#include <_ansi.h>
#include <sys/reent.h>

#define ENV_LOCK __env_lock(reent_ptr)
#define ENV_UNLOCK __env_unlock(reent_ptr)

void _EXFUN(__env_lock,(struct _reent *reent));
void _EXFUN(__env_unlock,(struct _reent *reent));

#endif /* _INCLUDE_ENVLOCK_H_ */