esp-idf/stropts.h

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#ifndef _stropts_h_
#define _stropts_h_
 
#if defined (__cplusplus)
extern "C" {
#endif
 
#if defined(ESP_PLATFORM)
#include <sys/ioctl.h>
#else
int ioctl(int fd, unsigned long int key, ...);
#endif // ESP_PLATFORM
 
#define IOC_NONE 0U
 
#define IOC_WRITE 1U
 
#define IOC_READ 2U
 
#define IOC(_dir, _type, _num, _size) \
    (((_dir) << 30) | ((_type) << 8) | ((_num)) | ((_size) << 16))
 
#define IO(_type, _num) IOC(IOC_NONE, (_type), (_num), 0)
 
#define IOR(_type, _num, _size) IOC(IOC_READ, (_type), (_num), (_size))
 
#define IOW(_type, _num, _size) IOC(IOC_WRITE, (_type), (_num), (_size))
 
#define IOWR(_type, _num, _size) IOC(IOC_WRITE | IOC_READ, (_type), (_num), (_size))
 
#define IOC_DIR(_num) (((_num) >> 30) & 0x00000003)
 
#define IOC_TYPE(_num) (((_num) >> 8) & 0x000000FF)
 
#define IOC_NR(_num) (((_num) >> 0) & 0x000000FF)
 
#define IOC_SIZE(_num) (((_num) >> 16) & 0x00003FFF)
 
#define IOC_SIZEBITS 14
 
#if defined (__cplusplus)
}
#endif
 
#endif /* _stropts_h_ */