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 例句 释义: 全部,位字段,位域,体中含有位域,位元栏位
Unnamed bit fields cannot be referenced, and their contents at run time are unpredictable. They can be used as "dummy" fields, for alignment purposes. An unnamed bit field whose width is specified as 0 guarantees that storage for the member following it in thestruct-declaration-listbegins on ...
In the C language, you can specify bit-fields ascharorshortinstead ofint, butXL C/C++maps them as if they wereunsigned int.The length of a bit-field cannot exceed the length of its base type. In extended mode, you can use thesizeofoperator on a bit-field.Thesizeofoperator on a bit...
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: ...
When one or more muxes are not used to process video, such as the CVBS input, the idle mux and associated channel clamps and buffers should be powered down (see the description of Register 0x3A in Table 107). Table 15. Manual Mux Settings for the ADC (MAN_MUX_EN Must be Set to 1...
FREERUN OPERATION Freerun mode provides the user with a stable clock and predictable data if the input signal cannot be decoded; for example, if input video is not present. The ADV7182A automatically enters freerun mode if the input signal cannot be decoded. The user can prevent this ...
Extra padding may be added to a structure by the compiler to meet alignment requirements aslongand pointer fields grow to 64 bits for LP64. In the 64-bit environment on SPARC platforms, all types of structures are aligned to at least the size of the largest quantity within them. A simple...
The IoIs32bitProcess routine checks whether the originator of the current I/O request is a 32-bit user-mode application.
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...
The problem with bitfields in ANSI C is that they are not portable across compiler vendor or architecture. The ANSI C standard does not specify i how a bitfield might be allocated in memory. Depending on the vendor and architecture it might be LSB first or MSB first. There might also be...