bit field 美 英 un.位字段 网络位域;体中含有位域;位元栏位 英汉 网络释义 un. 1. 位字段 释义: 全部,位字段,位域,体中含有位域,位元栏位
The order of bit fields within an allocation unit (on some platforms, bit fields are packed left-to-right, on others right-to-left) Even though the number of bits in the object representation of _Bool is at least CHAR_BIT, the width of the bit field of type _Bool cannot be greater ...
Because bit-fields do not necessarily begin at the beginning of a byte, address of a bit-field cannot be taken. Pointers to bit-fields are not possible. Bit-fields cannot be used withsizeofand_Alignas(since C11). The following usages of bit-fields causesundefined behavior: ...
Finally, how do I use a union and some bit fields if I want to access the fields in the number directly.Here is my code:///void scale(const float &res){#define f 12#define m 0x000007FF unsigned long r, t; union { unsigned ...
The IoIs32bitProcess routine checks whether the originator of the current I/O request is a 32-bit user-mode application.
The length of a bit-field can exceed the length of its base type, but the remaining bits are used to pad the field and do not actually store any value. However, alignment rules for aggregates containing bit-fields are different depending on the alignment mode in effect. These rules are ...
DTS_E_BITASK_CANNOT_RETRIEVE_TABLES DTS_E_BITASK_CANNOTRETAINCONNINTRANSACTION DTS_E_BITASK_DATA_FILE_NOT_SPECIFIED DTS_E_BITASK_DESTINATION_TABLE_NOT_SPECIFIED DTS_E_BITASK_ERROR_IN_DB_OPERATION DTS_E_BITASK_ERROR_IN_LOAD_FROM_XML DTS_E_BITASK_ERROR_IN_SAVE_TO_XML DTS_E_BITA...
/* BITMAP_WORD_BITS needs to be unsigned, but cannot contain casts as it is used in preprocessor directives -- hence the 1u. */ #define BITMAP_WORD_BITS (CHAR_BIT * SIZEOF_LONG * 1u)/* Number of words to use for each element in the linked list. */#ifndef BITMAP_ELEMENT_WORDS...
In MoonBit, structs are similar to tuples, but their fields are indexed by field names. A struct can be constructed using a struct literal, which is composed of a set of labeled values and delimited with curly brackets. The type of a struct literal can be automatically inferred if its fi...
Be sure to check unions because their fields can change size between the ILP32 and the LP64 data-type models. typedef union { double _d; long _l[2]; } llx_t; Here is the modified version typedef union { double _d; int _l[2]; ...