Data Type Ranges
C/C++ recognizes the types shown in the table below.
Type Name Bytes Other Names Range of Values
int * signed,
signed int System dependent
unsigned int * unsigned System dependent
__int8 1 char,
signed char –128 to 127
__int16 2 short,
short int,
signed short int –32,768 to 32,767
__int32 4 signed,
signed int –2,147,483,648 to 2,147,483,647
__int64 8 none –9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
char 1 signed char –128 to 127
unsigned char 1 none 0 to 255
short 2 short int,
signed short int –32,768 to 32,767
unsigned short 2 unsigned short int 0 to 65,535
long 4 long int,
signed long int –2,147,483,648 to 2,147,483,647
unsigned long 4 unsigned long int 0 to 4,294,967,295
enum * none Same as int
Q:ʲôÊÇC·ç¸ñת»»£¿Ê²Ã´ÊÇstatic_cast, dynamic_cast ÒÔ¼° reinterpret_cast£¿Çø±ðÊÇʲô£¿ÎªÊ²Ã´Òª×¢Ò⣿
A:ת»»µÄº¬ÒåÊÇͨ¹ý¸Ä±äÒ»¸ö±äÁ¿µÄÀàÐÍΪ±ðµÄÀàÐÍ´Ó¶ø¸Ä±ä¸Ã±äÁ¿µÄ±íʾ·½Ê½¡£ÎªÁËÀàÐÍת»»Ò»¸ö¼òµ¥¶ÔÏóΪÁíÒ»¸ö¶ÔÏóÄã»áʹÓô«Í³µÄÀàÐÍת»»²Ù×÷·û¡£±ÈÈ磬ΪÁËת»»Ò»¸öÀàÐÍΪdouboleµÄ¸¡µãÊýµÄÖ¸Õëµ½ÕûÐÍ£º
......
ACE×ÔÊÊÅäͨÐÅ»·¾³£¨ADAPTIVE Communication Environment£©ÊÇ¿ÉÒÔ×ÔÓÉʹÓᢿª·ÅÔ´ÂëµÄÃæÏò¶ÔÏó£¨OO£©¿ò¼Ü£¨Framework£©£¬ÔÚÆäÖÐʵÏÖÁËÐí¶àÓÃÓÚ²¢·¢Í¨ÐÅÈí¼þµÄºËÐÄģʽ¡£ACEÌṩÁËÒ»×é·á¸»µÄ¿É¸´ÓÃC++ Wrapper Facade£¨°ü×°Íâ¹Û£©ºÍ¿ò¼Ü×é¼þ£¬¿É¿çÔ½¶àÖÖƽ̨Íê³ÉͨÓõÄͨÐÅÈí¼þÈÎÎñ£¬ÆäÖаüÀ¨£ºÊ¼þ¶à··ÖÀëºÍʼþ´¦À ......