//声明c语言字符串
char *s = "Hello Objective-C";
NSString*str =@"Hello";
// oc 、c 字符串类型转换
//c ----->oc
NSString *str1 = [NSString stringWithUTF8String:s];
NSLog(@"str1 = %@",s);
//oc ------>c
NSLog(@"str2 =%s",[str UTF8String]);
//声明c语言字符串
char *s = "Hello Objective-C";
NSString*str =@"Hello";
// oc 、c 字符串类型转换
//c ----->oc
NSString *str1 = [NSString stringWithUTF8String:s];
NSLog(@"str1 = %@",s);
//oc ------>c
NSLog(@"str2 =%s",[str UTF8String]);