[C++知识库]使用C语言定义一些方法想到就加

#pragma once
#include<stdlib.h>
#include<stddef.h>

typedef char			int_8;
typedef unsigned char	uint_8;
typedef short			int_16;
typedef unsigned short	uint_16;
typedef int				int_32;
typedef unsigned int	uint_32;

#define MakePtr(type,size)		(type*)malloc(size * sizeof(type))

#define ResizePtr(type,size)	(type*)realloc(size * sizeof(type))

#define RelasePtr(ptr)\
{                     \
	free(ptr);        \
	ptr = NULL;       \
}

#define BitSize(type)			(8u * sizeof(type));

#define Max(a,b) ((a > b)? a:b)

#define Min(a,b) ((a < b)? a:b)

#define clamp(num,min_,max_)\
{			                \
	if(num < min_)          \
		num = min_;         \
	else                    \
	if (num > max_)         \
		num = max_;         \
}

#define lerp(num,target,value)	  \
{								  \
	num += value * (target - num);\
}

#define Rand(_min,_max)			(rand() % (_max - _min + 1) + _min)

#define For(num,end)			for(num = 0; num <= end; num++)