[ios] Objective-C Types & Storage Capacity
Code:
@import <limits.h> // ... NSLog(@"Primitive sizes:"); NSLog(@"The size of a char is: %d.", sizeof(char)); NSLog(@"The size of short is: %d.", sizeof(short)); NSLog(@"The size of int is: %d.", sizeof(int)); NSLog(@"The size of long is: %d.", sizeof(long)); NSLog(@"The size of long long is: %d.", sizeof(long long)); NSLog(@"The size of a unsigned char is: %d.", sizeof(unsigned char)); NSLog(@"The size of unsigned short is: %d.", sizeof(unsigned short)); NSLog(@"The size of unsigned int is: %d.", sizeof(unsigned int)); NSLog(@"The size of unsigned long is: %d.", sizeof(unsigned long)); NSLog(@"The size of unsigned long long is: %d.", sizeof(unsigned long long)); NSLog(@"The size of a float is: %d.", sizeof(float)); NSLog(@"The size of a double is %d.", sizeof(double)); NSLog(@"Ranges:"); NSLog(@"CHAR_MIN: %c", CHAR_MIN); NSLog(@"CHAR_MAX: %c", CHAR_MAX); NSLog(@"SHRT_MIN: %hi", SHRT_MIN); // signed short int NSLog(@"SHRT_MAX: %hi", SHRT_MAX); NSLog(@"INT_MIN: %i", INT_MIN); NSLog(@"INT_MAX: %i", INT_MAX); NSLog(@"LONG_MIN: %li", LONG_MIN); // signed long int NSLog(@"LONG_MAX: %li", LONG_MAX); NSLog(@"ULONG_MAX: %lu", ULONG_MAX); // unsigned long int NSLog(@"LLONG_MIN: %lli", LLONG_MIN); // signed long long int NSLog(@"LLONG_MAX: %lli", LLONG_MAX); NSLog(@"ULLONG_MAX: %llu", ULLONG_MAX); // unsigned long long int
Result:
<32 bit process>
Primitive sizes:
The size of a char is: 1.
The size of short is: 2.
The size of int is: 4.
The size of long is: 4.
The size of long long is: 8.
The size of a unsigned char is: 1.
The size of unsigned short is: 2.
The size of unsigned int is: 4.
The size of unsigned long is: 4.
The size of unsigned long long is: 8.
The size of a float is: 4.
The size of a double is 8.
Ranges:
CHAR_MIN: -128
CHAR_MAX: 127
SHRT_MIN: -32768
SHRT_MAX: 32767
INT_MIN: -2147483648
INT_MAX: 2147483647
LONG_MIN: -2147483648
LONG_MAX: 2147483647
ULONG_MAX: 4294967295
LLONG_MIN: -9223372036854775808
LLONG_MAX: 9223372036854775807
ULLONG_MAX: 18446744073709551615
<64 bit process>
Primitive sizes:
The size of a char is: 1.
The size of short is: 2.
The size of int is: 4.
The size of long is: 8.
The size of long long is: 8.
The size of a unsigned char is: 1.
The size of unsigned short is: 2.
The size of unsigned int is: 4.
The size of unsigned long is: 8.
The size of unsigned long long is: 8.
The size of a float is: 4.
The size of a double is 8.
Ranges:
CHAR_MIN: -128
CHAR_MAX: 127
SHRT_MIN: -32768
SHRT_MAX: 32767
INT_MIN: -2147483648
INT_MAX: 2147483647
LONG_MIN: -9223372036854775808
LONG_MAX: 9223372036854775807
ULONG_MAX: 18446744073709551615
LLONG_MIN: -9223372036854775808
LLONG_MAX: 9223372036854775807
ULLONG_MAX: 18446744073709551615
[출처] https://bhaveshdhaduk.wordpress.com/2014/01/25/ios-objective-c-types/
[참고] http://reference.jumpingmonkey.org/programming_languages/objective-c/types.html
번호 | 분류 | 제목 | 글쓴이 | 날짜 | 조회 수 |
---|---|---|---|---|---|
525 | Develop | 다운 받아서 테스트 해볼것.. | hooni | 2013.04.23 | 9174 |
524 | Develop | [c] 하노이탑 - 재귀함수 | hooni | 2003.04.23 | 9178 |
523 | System/OS | [linux] 간단한 find 명령어 설명(업데이트 해야 함) | hooni | 2013.04.23 | 9181 |
522 | Develop | [c][java] 그래픽(graphic)관련 자료와 샘플코드.. | hooni | 2013.04.23 | 9218 |
521 | Develop | [php] URL/URI 관련 환경변수 | hooni | 2003.04.23 | 9220 |
520 | Develop | [c] SetTimer() & KillTimer() & 일회용 Timer | hooni | 2013.04.23 | 9243 |
519 | Develop | [c++] RSA Sample 4 CPP | hooni | 2013.04.23 | 9248 |
518 | Develop | [c++] mfc이용한 트레이아이콘(TrayIcon) 클래스 예제 프로젝트 | hooni | 2013.04.23 | 9275 |
517 | Develop | [ios] In App Purchase 개발 | hooni | 2013.11.20 | 9302 |
516 | Develop | [c] 도메인 소켓(Unix Domain Socket) UDP | hooni | 2013.04.23 | 9314 |
515 | Develop | [c] 전위 표기법으로 연산 예제.. | hooni | 2013.04.23 | 9322 |
514 | Develop | [js] 폼(form) 전송시 중복 클릭 방지 간단한 구문 | hooni | 2013.04.23 | 9329 |