字符转换为数字，以|分割

#define INT_MAX ((1<<31)⑴)
#define INT_MIN (1<<31)

#define isRight(x) (x==' ' || x=='+' || x=='-' || (x>='0'&&x<='9'))
int getNum(char* s, int begin, int end)
{
int flag = 1;
int num = 0;

while (begin<=end && s[begin] == ' ')
begin++;

if (s[begin] == '-')
{
flag = ⑴;
begin++;
}

if (s[begin] == '+')
begin++;

while (begin<=end)
{
if (s[begin]<'0' || s[end]>'9')
{
return 0;
}
if (num>INT_MAX/10 || (INT_MAX==INT_MAX/10 && (s[begin]-'0')>INT_MAX%10))
return (flag==⑴) ? INT_MIN : INT_MAX;

num = num*10+s[begin]-'0';
begin++;
}

return num*flag;
}

/*以|分隔符的数值转换 1面*/
void strToNum(char* s)
{
int a[20];
int i = 0;
int begin;
int end;
int count = 0;

if (s == NULL)
return;

while (s[i]!='' && s[i]=='|')
i++;

while (s[i] != '')
{
begin = i;
while (s[i]!='' && s[i]!='|' && isRight(s[i]))
{
i++;
}
if (s[i]=='' || s[i]=='|')
{
end = i⑴;
a[count++] = getNum(s, begin, end);
printf("a[%d] %d
", count⑴, a[count⑴]);
}
else
{
while (s[i]!='' && s[i]!='|')
{
i++;
}
if (s[i] == '')
return;
}
i++;
}
}

int main()
{
char s[] = "111111|⑴23213|dsafd| adf | ⑴23123213213123|adaew|12334243243243";
strToNum(s);
//printf("max int %d, min int %d
", INT_MAX, INT_MIN);
return 0;
}