c堆内存操作——以逗号分割字符串形成二维数组把结果传出

#include 
#include 
using namespace std;

int getstrcnt(char*temp, char a)//获取数组中某个字符出现次数
{
	if (temp == NULL)return -1;
	int len = 0;
	int cnt = 0;
	len = strlen(temp);
	for (int i = 0; i < len; i++)
	{
		if (temp[i] == a)cnt++;
	}
	return cnt;
}
int getstrlen(char*temp)     //获取当前字符到下一个','前的长度
{
	if (temp == NULL)return -1;
	int len = 0;
	while (*temp != ',')
	{
		len++;
		temp++;
	}
	return len;
}
int strcpy1(char *to, char*from)
{
	if (to == NULL||from==NULL)return -1;
	while (*from != ',')
	{
		*to = *from;
		to++;
		from++;
	}
	*to = 0;
	return 0;
}
int getstrArr(char *temp, char***p)
{
	if (temp == NULL )return -1;
	int p2len = getstrcnt(temp, ',');//获取字符段数
	*p = (char**) malloc(p2len*sizeof(char *));
	if (*p == NULL)return -2;
	for (int i = 0; i