1. C转OC
char *s="abc";
NSString *str=[NSString stringWithUTF8String:s];
2.OC转C
NSString *str2=@"nnn";
char *s1 = [str2 UTF8String];
简单吧

1. C转OC
char *s="abc";
NSString *str=[NSString stringWithUTF8String:s];
2.OC转C
NSString *str2=@"nnn";
char *s1 = [str2 UTF8String];
简单吧