stddef.h File Reference

#include "shell/sys/linux/include/simple_libc/stddef.h"

Go to the source code of this file.

Macros
#define	offsetof   vsf_offset_of
#define	clamp(v, a, b)
#define	ifloor(x)
#define	iround(x)
#define	iceil(x)
#define	idiv255(x)

Macro Definition Documentation

offsetof

#define offsetof   vsf_offset_of

clamp

#define clamp	(		v,
			a,
			b )

Value:

min(max(a, v), b)

ifloor

#define ifloor

(

x

)

Value:

((x) > 0 ? (int)(x) : (int)((x) - 0.9999999999))

iround

#define iround

(

x

)

Value:

((x) > 0 ? (int)((x) + 0.5) : (int)((x) - 0.5))

iceil

#define iceil

(

x

)

Value:

((x) > 0 ? (int)((x) + 0.9999999999) : (int)(x))

idiv255

#define idiv255

(

x

)

Value:

((((int)(x) + 1) * 257) >> 16)