snippets.ndx

国外网站上的一些精典的C程序

  Rnd_Div.C    any  Integer division with rounding
+ Parity.H     any  Header for PARITY.C
+ Parity.C     any  Compute parity for any integral type
+ Triglib.H    any  Comprehensive trig functions in radians, degrees, grads
+ Triglib.C    any

|=============================================================================
| Random number functions
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Rand1.C      any  Random number generator
  Rand2.C      any  Random number generator
  Rg_Rand.C    any  Minimal random number generator

|=============================================================================
| Cliff Rhodes' package of unsigned integer math for arbitrarily large numbers
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Bignum.H     any  Header declaring the BigNum struct and prototypes
  Bignum1.C    any  Add, subtract, and multiply BigNum's
  Bignum2.C    any  Divide BigNum's
  Bigtest.C    any  Test and demo program using BigNum's

|=============================================================================
| Various ways of computing PI to ridiculous lengths
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
+ Spigot.C     any  Calculate PI to ~1,000 digits using integer math
  Pi.C         any  Calculate PI to 8,000+ digits
  Pi8.C        any  Another PI calculator
  Pi8.Nfo      any  A discourse on the PI8.C algorithm
  Pi_Agm.C     any  Calculate PI to 10's of thousands of digits

|=============================================================================
| Numerical <=> string conversion functions
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
* Numcnvrt.H   any  Header for SNIPPETS numerical <=> string conversions
  Bascnvrt.C   any  Convert radix of a numeric string
  Commaflt.C   any  Format doubles using commas and variable precision
  Commafmt.C   any  Format long integers using commas
  Eng.C        any  Convert floating point value to engineering notation
  Eval.C       any  Simple arithmetic expression evaluator
  Eval.How     any  How EVAL.C works
  Fmtmoney.C   any  Format US dollar amounts into text strings
  Hexorint.C   any  Auto-convert hex or decimal strings
  Hstr_I.C     any  Convert hex string to int
  Ltoa.C       any  Convert long to a string
  Ltostr.C     any  A safer version of ltoa()
  Ord_Text.C   any  Format ordinal numbers in English
  Scanfrac.C   any  Scans/converts text fractions
  Str27Seg.C   any  Convert numeric string to 7-segment displays
+ L2Roman.C    any  Convert long integers to roman numerals
+ Roman2L.C    any  Convert roman numerals to long integers

|=============================================================================
| Multi-dimensional array functions
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Snparray.H   any  Header for multi-dimentional array functions
  Amalloc.C    any  Multi-dimensional array allocation (limited to <64K on PC)
  Mdalloc.C    any  Multi-dimentional array allocte and free (any size)
* Mdasort.C    any  Test program demonstrating array sorting

|=============================================================================
| Bit-level operations
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Bitops.H     any  Prototypes, plus macros to set, clear, and test bits
  Bitops.How   any  How the BitXxx() macros in BITOPS.H work
  Bitarray.C   any  Bit array functions
  Bitcnt_1.C   any  Count bits in a number (fast, clever)
  Bitcnt_2.C   any  Count bits in a number (fascinating)
  Bitcnt_3.C   any  Count bits in a number (table look-up)
  Bitcnt_4.C   any  Count bits in a number (recursive table look-up)
  Bitcnts.C    any  Benchmark to test BITCNT_x.C functions
  Bitfiles.C   any  Read/write bit files
  Bitstrng.C   any  Print binary formatted strings
  Bstr_I.C     any  Convert binary string to int

|=============================================================================
| Auke Reitsma's comprehensive linked list functions
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Llist.Nts    any  Notes on linked list functions
  Ll_Defs.H    any  Common includes and macros
  Lls.H        any  Singly linked list header
  Lls_Blob.H   any  Singly linked list for Binary Large OBjects
  Lls_Str.H    any  Singly linked list for strings
  Ll_Que.H     any  Singly linked list as queue
  Ll_Stack.H   any  Singly linked list as stack
  Lld.H        any  Doubly linked list header
  Lld_Blob.H   any  Doubly linked list for Binary Large OBjects
  Lld_Str.H    any  Doubly linked list for strings
  Lls.C        any  Singly linked list functions
  Lls_Blob.C   any  Singly linked list BLOB functions
  Lld.C        any  Doubly linked list functions
  Lld_Blob.C   any  Doubly linked list BLOB functions
  Stack.H      any  Header for stack management functions
  Stk_Defs.H   any  Common definitions and debugging macros
  Stack.C      any  Stack management functions
  Stk_Blob.H   any  Header for stack management of Binary Large OBjects
  Stk_Str.H    any  Header for stack management of strings as BLOB's
  Stk_Blob.C   any  Stack management functions for Binary Large OBjects
+ Ll_Demo.C    any  Demonstration of linked list functions in action

|=============================================================================
| Auke Reitsma's finite state machine (FSM) functions
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Fsm.H        any  Header file for simplified FSM implementation
* Fsm.C        any  Simplified FSM implementation

|=============================================================================
| David Nugent's linked list container classes
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
* List.Hpp     any  Header
* List.Cpp     any  Member functions

|=============================================================================
| Peter Yard's double ended queue functions
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
+ Deque.H      any  Header file supporting queues, stacks, FIFOs
+ Deque.C      any  Functions, including sort and search

|=============================================================================
| Dustin Puryear's stack managment functions
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Stk.H        any  Header for stack manager
  Stk.C        any  Stack manager - init, push, pop, count

|=============================================================================
| Jerry Coffin's hash table functions
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Hash.H       any  Header for hash table functions
* Hash.C       any  Hash table management

|=============================================================================
| J. Kercheval's PD regular expression comparator
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Match.Doc    any  Documentation for Match.C
  Match.H      any  Header file
  Match.C      any  Portable source including optional test code

|=============================================================================
| Functions to match similar sounding strings
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Phonetic.H   any  Header for all phonetic comparison functions
  Soundex.C    any  Standard English soundex
  Soundex4.C   any  English soundex optimized for use with surnames
  Soundex5.C   any  Another soundex variant
* Metaphon.C   any  Phonetic string matching: English, but better than soundex
  Approx.C     any  Fuzzy string search

|=============================================================================
| Ray Gardner's scalar date functions plus other date and time functions
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Scaldate.H   any  Scalar ("Julian") date header
  Scaldate.C   any  Scalar ("Julian") date functions
  Daynum.C     any  Return statistics about a given date
  Isdst.C      any  Determine if a given date is in Daylight Savings Time
  Today.C      any  Return today's date as a scalar value
* Dow.C        any  Return day of the week for any date
  Fdate.C      Dnt  Return DOS file date as a scalar value
  Cal.C        any  Calendar using Scaldate.C
  Datetime.H   any  Header for other time and date functions
  Jdn_L.C      any  Long integer Julian Day Number computation
  Addtime.C    any  Add two times (hh:mm:ss) together, normalizing the result
  Easter.C     any  Determine the date of Easter in any given year
  Moon_Age.C   any  Determine the phase of the moon for any given date
  Parsdate.C   any  Parse a date string
  Parstime.C   any  Parse a time string
* Strftime.H   any  Non-locale version of ANSI/ISO strftime()
* Strftime.C   any

|=============================================================================
| Branislav Slantchev's zDate class library
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Zdate.Man    any  Manual for using the zDate class library
* Date.Hpp     any  The zDate header
* Date.Cpp     any  The zDate functions
* Datedemo.Cpp any  Demonstration of the capabilities of the zDate library

|=============================================================================
| Jerry Coffin's word wrapping functions
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  W_Wrap.H     any  C header w/ prototypes and enum'ed constants
  W_Wrap.C     any  C functions
  Center.C     any  Center a wrapped line

|=============================================================================
| Various CRC and checksum functions
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
  Crc.Txt      n/a  CRC calculation tutorial
* Crc.H        any  Header file for SNIPPETS CRC and checksum functions
  Arccrc16.C   any  Compute CRC's using ARC, LZH algorithm
  Crc_16.C     any  Calculated 16-bit CRC
* Crc_16F.C    any  Fast 16-bit CRC
* Crc_32.C     any  Table lookup 32-bit CRC
  Checksum.C   any  Calculate checksum
  Checkexe.C   DOS  Checksum protection for executable files
  Crc.Hpp      any  Header for multiple CRC calculation class
  Crc.Cpp      any  Calculation class for 6 types of 16- and 32-bit CRC's

|=============================================================================
| Craig Morrison's registration key functions
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------
* Regkey.H     any  Header file for REGIT.C and CHKREG.C
  Regit.C      any  Generate registration key
* Chkreg.C     any  Validate registration key

|=============================================================================
| Functions to get command line options
|=============================================================================
| File         O/S  Description
| ------------ ---  ----------------------------------------------------------