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现在同学们对“c语言 变量命名规则”大约比较关注，大家都需要了解一些“c语言 变量命名规则”的相关文章。那么小编也在网上网罗了一些有关“c语言 变量命名规则””的相关内容，希望同学们能喜欢，大家一起来了解一下吧！命名的基本原则
(1)标识符的命名要清晰、明了，有明确含义，同时使用完整的单词或大家基本可以理解的缩写，避免使人产生误解——尽量采用采用英文单词或全部中文全拼表示，若出现英文单词和中文混合定义时，使用连字符“_”将英文与中文割开。较短的单词可通过去掉“元音”形成缩写；较长的单词可取单词的头几个字母形成缩写；一些单词有大家公认的缩写。例如：temp->tmp、flag->flg、statistic->stat、increment->inc、message->msg等缩写能够被大家基本认可。
(2)命名中若使用特殊约定或缩写，则要有注释说明。应该在源文件的开始之处，对文件中所使用的缩写或约定，特别是特殊的缩写，进行必要的注释说明。
(3)命名规范必须与所使用的系统风格保持一致，并在同一项目中统一。
(4)对于变量命名，禁止取单个字符(如i 、j 、k... )，建议除了要有具体含义外，还能表明其变量类型、数据类型等，但i 、j 、k 作局部循环变量是允许的。变量，尤其是局部变量，如果用单个字符表示，很容易敲错(如i写成j)，而编译时又检查不出来，有可能为了这个小小的错误而花费大量的查错时间。
编程单词缩写字典
序号
描述
缩写词
A
Addition
Add
Accumulator
Acc
Address
Addr
Action
Act
Active
Act
Amplitude
Amp
Analog Input
AI
Anolog I/O
AIO
All
All
Alarm
Alm
Allocate
Alloc
Analog Output
AO
Apparent
App
Argument
Arg
Arrange
Arrng
Array
Array
Assemble
Asm
Attribute
Attrib
B
Bar
Bar
Bit
Bit
Block
Blk
Buffer
Buf
Button
Btn
Bypass
Bypass
C
Calibration
Cal
Calculate
Calc
Configuration
Cfg
Channel
Ch
Change
Chg
Check
Chk
Clock
Clk
Clear
Clr
Clear Screen
Cls
Command
Cmd
Compare
Cmp
Complete
Comp
Count
Cnt
Counter
Ctr
Column
Col
Communication
Comm
Connect
Con
Construct
Cons
Control
Ctrl
Context
Ctx
Convert
Conv
Copy
Cp
Current
Cur
Cursor
Csr
Control Word
CW
D
Date
Date
Day
Day
Debounce
Debounce
Decrease
Dec
Decimal
Dec
Decode
Decode
Define
Def
Degree
Deg
Delete
Del
Destination
Dst
Descriptor
Desc
Device
Dev
Discrete Input
DI
Digit
Dig
Discrete I/O
DIO
Discrete Output(s)
DO
Disable
Dis
Display
Disp
Discovery
Disc
Division
Div
Divisor/Division
Div
Delay
Dly
Day-of-week
DOW
Down
Down
Dummy
Dummy
Dynamic
Dyn
E
Edge
Edge
Effective
Eff
Electric
Elec
Empty
Empty
Enable
En
Engine
Eng
Enter
Enter
Entries
Entries
Equivalent
Equiv
Error(s)
Err
Ethernet
Eth
Engineering Units
EU
Event(s)
Event
Extension
Ext
Exit
Exit
Exception
Exc
Expiration
Exp
Exponent
Exp
F
Field
Fld
Flag
Flag
Flush
Flush
Function(s)
Fnct
Format
Format
Fraction
Fract
Free
Free
Frequency
Freq
Full
Full
G
Gain
Gain
Get
Get
Generate
Gen
Group(s)
Grp
H
Handler
Handler
Harmonic
Harm
Hexadecimal
Hex
High
Hi
History
Hist
Hit
Hit
High Priority Task
HPT
Hour(s)
Hr
I
I.D.
Id
Idle
Idle
Impulse
Imp
Input(s)
In
Initialization
Init
Initialize
Init
Instruction
Instr
Interrupt
Int
Invert
Inv
Interrupt Service Routine
ISR
Index
Ix
K
Key
Key
Keyboard
Key
L
Length
Len
Limit
Lim
List
List
Low
Lo
Lower
Le
Lowest
Lo
Lock
Lock
Low Priority Task
LTP
M
Magnitude
Mag
Mantissa
Man
Manual
Man
Manufacture
Mfg
Maximum
Max
Mailbox
Mbox
Minimum
Min
Mode
Mode
Month
Month
Move
Mov
Message
Msg
Measure
Meas
Mask
Msk
Multiplication
Mul
Multiplex
Mux
Make
Mk
N
Negative
Neg
Number of
Num
Nesting
Nesting
Neutral
Neut
New
New
Next
Next
O
Offset
Offset
Old
Old
Operation System
OS
Optimize
Opt
Original
Orig
Output
Out
Overflow
Ovf
P
Package
Pkg
Parameter
Param
Pass
Pass
Performance
Perf
Period
Per
Phase
Ph
Port
Port
Position
Pos
Positive
Pos
Power
Pwr
Previous
Prev
Priority
Prio
Printer
Prt
process
Proc
Product
Prod
Protocol
Prot
Pointer
Ptr
Put
Put
Q
Queue
Q
Quality
Qlty
Quarter
Quar
R
Raw
Raw
Reactive
React
Recall
Rcl
Rectangle
Rect
Read
Rd
Ready
Rdy
Reference
Ref
Register
Reg
Request
Req
Reset
Reset
Reserve
Resv
Resume
Resume
Response
Resp
Return
Rtn
Reverse
Revs
Ring
Ring
Row
Row
Repeat
Rpt
Real-Time
RT
Running
Running
Receive
Rx
S
Sample
Smp
Scale
Scale
Scale Factor
SF
Scaling
Scaling
Scan
Scan
Schedule
Sched
Scheduler
Sched
Screen
Scr
Second(s)
Sec
Segment(s)
Seg
Select
Sel
Semaphore
Sem
Sequence
Seq
Server
Svr
Set
Set
Setting
Setting
Signal
Sig
Size
Size
Seven-segments
SS
Sourse
Src
Start
Start
Statistic(s)
Stat
Status
Stat
Stack
Stk
Standard
Std
Stop
Stop
String
Str
Subtraction
Sub
Suspend
Suspend
Switch
Sw
Synchronize
Synch
System
Syst
T
Task
Task
Table
Tbl
Threshold
Th
Tick
Tick
Time
Time
Timer
Tmr
Toggle
Tgl
Total
Tot
Trigger
Trig
Time-stamp
TS
Timeout
TO
U
Unlock
Unlock
Up
Up
Update
Update
Utility
Util
V
Value
Val
Vector
Vect
Version
Ver
Variable
Var
Visible
Vis
Voltage
Vol
W
Watchdog
Wdog
Write
Wr
Y
Year
Year
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