FlashBASIC C Functions List

The following FlashBASIC C Functions are presented:

%accept() Function	Extracts the first connection on the queue of pending connections, creates a new socket, and allocates a new file descriptor.
%accept_ssl() Function	Calls the %accept() function to extract the first connection on the queue of pending connections, and then it creates a new socket. Thereafter, the function will wait for a TLS/SSL client to initiate the TLS/SSL handshake, and then create a secure SSL connection.
%alarm() Function	Instructs the alarm clock of the calling process to send the signal SIGALRM to the calling process.
%bind() Function	Binds a socket to a named resource. In case of a network, the resource would be an access point into the system.
%calloc() Function	Allocates and frees dynamic memory.
%chdir() Function	Changes the current directory to the one in the specified string.
%chmod() Function	Changes the mode of the file specified in the string to the value specified in the specified mode.
%chown() Function	Changes the owner-ID and group-ID of the file specified in the string to the specified in owner and group, respectively.
%close() Function	Closes the UNIX file specified by the file descriptor returned by a previous call to %open(), %creat(), %dup(), %socket(), or %accept().
%close_ssl() Function	Closes the socket specified by the file descriptor, as well as the secure connection specified by the SSL file descriptor.
%closeall() Function	Closes all opened file-descriptors, including sockets.
%closesocket() Function	Closes an existing socket.
%connect() Function	Requests a connection between two sockets.
%connect_ssl() Function	Requests a secure connection between two sockets.
%creat() Function	Creates a new host OS file or prepares to rewrite an existing host OS file designated by the specified string for write only.
%decrypt() Function	Decrypts a string.
%dup() Function	Returns a new file descriptor associated to the same file as the one associated with the specified file descriptor.
%encrypt() Function	Encrypts a string.
%fclose() Function	Writes the character specified by the character on the named output stream.
%fdopen() Function	Associates a stream with the file descriptor obtained from an %open(), %dup(), or %creat().
%fgetc() Function	Returns the next character from the named input stream.
%fgets() Function	Reads characters from the named input stream into the variable until n-1 characters are read or a new line character is read and transferred to the string.
%fopen() Function	Opens the host OS file designated by the string and associates a stream with it.
%fprintf() Function	Writes formatted output on the stream under control of the format.
%fputc() Function	Writes the specified character on the named output stream.
%fputs() Function	Writes the specified string on the named output stream.
%fread() Function	Binary stream input/output.
%free() Function	Frees a block of memory allocated by a call to %malloc().
%freopen() Function	Substitutes the named file specified by the string in place of the opened stream.
%fsize() Function	Returns the size in bytes of the file associated to the opened file descriptor returned by a previous call to %open() or %creat().
%fwrite() Function	Binary stream input/output.
%getaddrinfo() Function	Front end to the socket %getaddrinfo() function.
%getenv() Function	Searches the environment for a string of the form name=value and returns a pointer to the value in the current environment if such a string is present, otherwise, a null is returned.
%gethostid() Function	Allows a FlashBASIC application to retrieve the unique 32-bit identifier for the current host.
%gethostname() Function	Retrieves the standard host name for the local computer.
%getnamedhost() Function	Front end to the socket %gethostbyname() function.
%getperfcount() Function	Returns the D3 performance counters.
%getpgrp() Function	Returns the UNIX process group ID of the calling process.
%getpid() Function	Returns the Process-ID (PID) of the calling process.
%getppid() Function	Returns the UNIX parent Process-ID of the calling process.
%getsockopt() Function	Retrieves a socket option.
%inet_addr() Function	Converts a string containing an IPv4 dotted-decimal address into a proper address for the IN_ADDR structure.
%ioctl() Function	A general purpose control function that passes the request and arg arguments to the device designated by the file descriptor.
%ioctlsocket() Function	Controls the I/O mode of a socket.
%kill() Function	Sends the specified signal to the specified process.
%listen() Function	Marks the specified socket as accepting incoming connections and limits the number of outstanding connections in the system queue.
%lseek() Function	Moves the read/write pointer.
%malloc() Function	Allocates a memory block of the specified size in bytes and returns the address of this block.
%memccpy() Function	Copies the memory area.
%memchr() Function	Scans memory for a character,
%memcopy() Function	Copies characters from the specified memory area into another, stopping after the first occurrence of the specified character has been copied, or after the number of characters specified by the length have been copied, whichever comes first.
%memcpy() Function	Copies the specified number of characters from one specified memory to another.
%memxcpy() Function	Copies a specified number of characters from a specified memory area into another, and converts each input character into two ASCII hexadecimal characters 0 through 9 and A through F.
%open() Function	Opens the specified host OS file and sets the file status flags.
%pause() Function	Suspends the calling process until it receives a signal.
%pclose() Function	Closes the specified stream opened by a %popen() and returns the exit status of the command.
%pgetpid() Function	Returns the UNIX Process-ID (PID) associated to the D3 process line.
%popen() Function	Creates a pipe between the calling process and the command to be executed.
%printf() Function	Formatted output conversion.
%putenv() Function	Makes the value of the environment variable name equal to the value designated by str, by altering an existing variable or by creating a new one.
%rdhex() Function	Reads the specified number of bytes into the variable from the specified file, converting each byte into two ASCII hexadecimal characters.
%read() Function	Reads the specified number of bytes into the variable from the specified file.
%read_ssl() Function	Reads the specified number of bytes into the variable from the Secure connection specified by the SSL file descriptor.
%readregistry() Function	Retrieves string values from the registry.
%realloc() Function	Resizes the memory buffer specified to the specified size in bytes and returns a pointer to the resized buffer.
%recv() Function	Receives data from a connected socket or a bound connectionless socket.
%recvfrom() Function	Receives a datagram from a bound socket and stores the information on the sender. If no errors occur, the number of bytes received is returned.
%semctl() Function	Performs semaphore control operations.
%semget() Function	Creates a semaphore set.
%semop() Function	Performs an array of semaphore operations on a set of semaphores.
%send() Function	Sends data on a connected socket.
%sendto() Function	Sends data to a specified destination.
%setflush() Function	Sets the flush periods.
%setsockopt() Function	Sets a socket option.
%shell() Function	Executes the specified MS-DOS command and returns the exit code of the command.
%shellcapture() Function	Executes the specified MS-DOS command and captures the result in the specified buffer variable, up to the maximum size.
%shmat() Function	Attaches a shared memory segment associated with the shared memory identifier and returns the address of the segment.
%shmctl() Function	Allows the user to receive information on a shared memory segment, set the owner, group, and permissions of a shared memory segment, or destroy a segment.
%shmdt() Function	Detaches the shared memory segment located at the specified address.
%shmget() Function	Creates a shared memory segment and returns a shared memory identifier.
%shutdown() Function	Disables sends or receives on a socket.
%socket() Function	Creates a socket in the specified address of the specified type.
%sprintf() Function	Formatted output conversion.
%startfileio() Function	Specifies that all input comes from the input file and all output goes to the output file.
%stopfileio() Function	Stops all input and output to and from the file.
%strcat() Function	Concatenates two strings.
%strcpy() Function	Copies a string.
%strlen() Function	Calculates the length of a string.
%ttyname() Function	Returns a pointer to a static area containing the null terminated path name of the terminal device associated to the specified file descriptor.
%unlink ()Function	Removes the directory entry named by the specified path name.
%wait() Function	Returns the exit code of the child processes created by the current process.
%whex() Function	Writes to the specified file returned by a previous call to %open(), %creat(), or %dup() a string of bytes resulting from converting the ASCII string variable into binary.
%write() Function	Writes the specified number of bytes from the variable to the specified file descriptor returned by a previous call to %open(), %creat(), or %dup().
%write_ssl() Function	Writes the specified number of bytes from the variable to the Secure connection specified by the SSL file descriptor.