12.2 Function list by category

What follows is a listing of the available functions, grouped by category. For each function there is a reference to the page where you can find the function.

File Input/Output routines

Name Description Page
____________________________________________________________________________

Dup

Duplicate a file handle 368

Dup2

Copy one file handle to another 369

Fcntl

General file control 389

fdClose

Close file descriptor 378

fdFlush

Flush file descriptor 379

fdOpen

Open new file descriptor 379

fdRead

Read from file descriptor 381

fdSeek

Position in file 382

fdTruncate

Truncate file 382

fdWrite

Write to file descriptor 383

GetFS

Get file descriptor of pascal file 395

Select

Wait for input from file descriptor 423

SelectText

Wait for input from pascal file 424

General File handling routines

Name Description Page
____________________________________________________________________________

Access

Check access rights on file 355

BaseName

Return name part of file 359

Chown

Change owner of file 361

Chmod

Change access rights on file 362

DirName

Return directory part of file 367

FSplit

Split filename in parts 385

FExpand

Return full-grown filename 383

FLock

Set lock on a file 383

FNMatch

Match filename to searchpattern 384

FSearch

Search for a file in a path 385

FSStat

Return filesystem information 386

FStat

Return file information 387

FRename

Rename file 390

LStat

Return information on a link 407

Link

Create a link 409

ReadLink

Read contents of a symbolic link 419

SymLink

Create a symbolic link 431

Umask

Set the file creation mask 438

UnLink

Remove a file 439

Utime

Change file timestamps 440

Pipes, FIFOs and streams

Name Description Page
____________________________________________________________________________

AssignPipe

Create a pipe 357

AssignStream

Create pipes to program’s input and output 358

MkFifo

Make a fifo 411

PClose

Close a pipe 417

POpen

Open a pipe for to program’s input or output 417

Directory handling routines

Name Description Page
____________________________________________________________________________

CloseDir

Close directory handle 366

Glob

Return files matching a search expression 401

GlobFree

Free result of Glob 402

OpenDir

Open directory for reading 416

ReadDir

Read directory entry 419

SeekDir

Seek directory 422

TellDir

Seek directory 438

Process handling

Name Description Page
____________________________________________________________________________

Clone

Create a thread 364

Execl

Execute process with command-line list 371

Execle

Execute process with command-line list and environment 372

Execlp

Search in path and execute process with command list 373

Execv

Execute process 374

Execve

Execute process with environment 375

Execvp

Search in path and execute process 376

Fork

Spawn child process 390

GetEGid

Get effective group id 393

GetEnv

Get environment variable 394

GetEUid

Get effective user id 394

GetGid

Get group id 396

GetPid

Get process id 397

GetPPid

Get parent process id 398

GetPriority

Get process priority 398

GetUid

Get user id 401

Nice

Change priority of process 414

SetPriority

Change priority of process 424

Shell

Execute shell command 425

WaitPid

Wait for child process to terminate 441

Signals

Name Description Page
____________________________________________________________________________

Alarm

Send alarm signal to self 356

Kill

Send arbitrary signal to process 407

pause

Wait for signal to arrive 417

SigAction

Set signal action 425

Signal

Set signal action 429

SigPending

See if signals are waiting 427

SigProcMask

Set signal processing mask 427

SigRaise

Send signal to self 428

SigSuspend

Sets signal mask and waits for signal 429

NanoSleep

Waits for a specific amount of time 413

System information

Name Description Page
____________________________________________________________________________

GetDate

Return system date 391

GetDateTime

Return system date and time 392

GetDomainName

Return system domain name 392

GetEpochTime

Return epoch time 395

GetHostName

Return system host name 397

GetLocalTimezone

Return system timezone 397

GetTime

Return system time 399

GetTimeOfDay

Return system time 400

GetTimezoneFile

Return name of timezone file 400

ReadTimezoneFile

Read timezone file contents 422

SysInfo

Return general system information 433

Uname

Return system information 439

Terminal functions

Name Description Page
____________________________________________________________________________

CFMakeRaw

Set terminal to raw mode 360

CFSetISpeed

Set terminal reading speed 360

CFSetOSpeed

Set terminal writing speed 361

IOCtl

General IO control call 403

IsATTY

See if filedescriptor is a terminal 404

TCDrain

Wait till all output was written 434

TCFlow

Suspend transmission or receipt of data 434

TCFlush

Discard data written to terminal 435

TCGetAttr

Get terminal attributes 435

TCGetPGrp

Return PID of foreground process 436

TCSendBreak

Send data for specific time 436

TCSetAttr

Set terminal attributes 437

TCSetPGrp

Set foreground process 437

TTYName

Name of tty file 437

Port input/output

Name Description Page
____________________________________________________________________________

IOperm

Set permissions for port access 403

ReadPort

Read data from port 420

ReadPortB

Read 1 byte from port 421

ReadPortL

Read 4 bytes from port 421

ReadPortW

Read 2 bytes from port 421

WritePort

Write data to port 441

WritePortB

Write 1 byte to port 442

WritePortL

Write 4 bytes to port 442

WritePortW

Write 2 bytes to port 443

Utility routines

Name Description Page
____________________________________________________________________________

CreateShellArgV

Create an array of pchars from string 366

EpochToLocal

Convert epoch time to local time 370

FD__Clr

Clear item of select filedescriptors 377

FD__IsSet

Check item of select filedescriptors 378

FD__Set

Set item of select filedescriptors 378

FD__ZERO

Clear all items in select filedecriptors 377

LocalToEpoch

Convert local time to epoch time 410

MMap

Map a file into memory 411

MUnMap

Unmap previously mapped memory file 413

Octal

Convert octal to digital 415

S__ISBLK

Check file mode for block device 404

S__ISCHR

Check file mode for character device 404

S__ISDIR

Check file mode for directory 405

S__ISFIFO

Check file mode for FIFO 405

S__ISLNK

Check file mode for symboloc link 405

S__ISREG

Check file mode for regular file 406

S__ISSOCK

Check file mode for socket 407

StringToPPchar

Create an array of pchars from string 430