NSString类的实现类和万网的旋转木马
写一个NSString类的实现
+ (id)initWithCString:(c*****t char *)nullTerminatedCString encoding:(NSStringEncoding)encoding; + (id) stringWithCString: (c*****t char*)nullTerminatedCString
encoding: (NSStringEncoding)encoding {
NSString *obj;
obj = [self allocWithZone: NSDefaultMallocZone()];
obj = [obj initWithCString: nullTerminatedCString encoding: encoding]; return AUTORELEASE(obj);
}
问题1,用C语言实现一个revert函数,它的功能是将输入的字符串在原串上倒序后返回。
答案: int main (int argc, const char * argv[])
{
@autoreleasepool {
// 用C语言实现一个revert函数,它的功能是将输入的字符串在原串上倒序后返回
char Temp[20]="zhang";
// gets(Temp);
char res[20];
int k=0;
int nLen = (int)strlen(Temp);
for(int i=nLen-1;i>=0;i--)
{ k++;
res[k]=Temp[i];
printf("==%c==",Temp[i]);
}
NSLog(@"sss===%s",res);
}
return 0;
}
self._iCarouse.viewpointOffset=CGSizeMake(0,-250);
self._iCarouse.contentOffset=CGSizeMake(0,-250);
旋转木马~
写一个NSString类的实现
+ (id)initWithCString:(c*****t char *)nullTerminatedCString encoding:(NSStringEncoding)encoding; + (id) stringWithCString: (c*****t char*)nullTerminatedCString
encoding: (NSStringEncoding)encoding {
NSString *obj;
obj = [self allocWithZone: NSDefaultMallocZone()];
obj = [obj initWithCString: nullTerminatedCString encoding: encoding]; return AUTORELEASE(obj);
}
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转载自zhangmingwei.iteye.com/blog/1743813
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