stddef.h

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#ifndef __XBOOT_STDDEF_H__
#define __XBOOT_STDDEF_H__
 
#include "shell/sys/linux/include/simple_libc/stddef.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef offsetof
#   define offsetof     vsf_offset_of
#endif
 
#define clamp(v, a, b)  min(max(a, v), b)
 
#define ifloor(x)       ((x) > 0 ? (int)(x) : (int)((x) - 0.9999999999))
#define iround(x)       ((x) > 0 ? (int)((x) + 0.5) : (int)((x) - 0.5))
#define iceil(x)        ((x) > 0 ? (int)((x) + 0.9999999999) : (int)(x))
#define idiv255(x)      ((((int)(x) + 1) * 257) >> 16)
 
#ifdef __cplusplus
}
#endif
 
#endif