AIX Documentation: Programmer's Reference:
C

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Programmer's Reference
C
CAXPY Computes a constant times a vector plus a vector.
CCOPY Copies vector X to Y.
CDOTC Returns the complex dot product of two vectors, conjugating the first.
CDOTU Returns the complex dot product of two vectors.
CGBMV Performs matrix-vector operations with general banded matrices.
CGEMM Performs matrix-matrix operations on general matrices.
CGEMV Performs matrix-vector operation with general matrices.
CGERC Performs the rank 1 operation.
CGERU Performs the rank 1 operation.
CHBMV Performs matrix-vector operations using a Hermitian band matrix.
CHEMM Performs matrix-matrix operations on Hermitian matrices.
CHEMV Performs matrix-vector operations using Hermitian matrices.
CHER Performs the Hermitian rank 1 operation.
CHER2 Performs the Hermitian rank 2 operation.
CHER2K Performs Hermitian rank 2k operations.
CHERK Performs Hermitian rank k operations.
CHPMV Performs matrix-vector operations using a packed Hermitian matrix.
CHPR Performs the Hermitian rank 1 operation.
CHPR2 Performs the Hermitian rank 2 operation.
CROTG Constructs Givens plane rotation.
CSCAL Scales a vector by a constant.
CSROT Applies a plane rotation.
CSSCAL Scales a vector by a constant.
CSWAP Interchanges vectors X and Y.
CSYMM Performs matrix-matrix matrix operations on symmetric matrices.
CSYR2K Performs symmetric rank 2k operations.
CSYRK Perform symmetric rank k operations.
CTBMV Performs matrix-vector operations using a triangular band matrix.
CTBSV Solves system of equations.
CTPMV Performs matrix-vector operations on a packed triangular matrix.
CTPSV Solves systems of equations.
CTRMM Performs matrix-matrix operations on triangular matrices.
CTRMV Performs matrix-vector operations using a triangular matrix.
CTRSM Solves certain matrix equations.
CTRSV Solves system of equations.
cabs Returns a complex absolute value.
cabsf Returns a complex absolute value.
cabsl Returns a complex absolute value.
cacos Computes the complex arc cosine.
cacosf Computes the complex arc cosine.
cacosh Computes the complex arc hyperbolic cosine.
cacoshf Computes the complex arc hyperbolic cosine.
cacoshl Computes the complex arc hyperbolic cosine.
cacosl Computes the complex arc cosine.
calloc Provides a memory allocator.
callrpc Calls the remote procedure on the machine specified by the host parameter.
can_change_color Color manipulation functions and external variables for color support.
canput Tests for available room in a queue.
carg Returns the complex argument value.
cargf Returns the complex argument value.
cargl Returns the complex argument value.
casin Computes the complex arc sine.
casinf Computes the complex arc sine.
casinfh Computes the complex arc hyperbolic sine.
casinh Computes the complex arc hyperbolic sine.
casinl Computes the complex arc sine.
casinlh Computes the complex arc hyperbolic sine.
catan Computes the complex arc tangent.
catanf Computes the complex arc tangent.
catanh Computes the complex arc hyperbolic tangent.
catanhf Computes the complex arc hyperbolic tangent.
catanhl Computes the complex arc hyperbolic tangent.
catanl Computes the complex arc tangent.
catclose Closes a specified message catalog.
catgets Retrieves a message from a catalog.
catopen Opens a specified message catalog.
cbc_crypt Implements Data Encryption Standard (DES) encryption routines.
cbreak Puts the terminal into or out of CBREAK mode.
cbrt Computes the square root.
cbrtf Computes the cube root.
cbrtl Computes the cube root.
ccos Computes the complex cosine.
ccosf Computes the complex cosine.
ccosh Computes the complex hyperbolic cosine.
ccoshf Computes the complex hyperbolic cosine.
ccoshl Computes the complex hyperbolic cosine.
ccosl Computes the complex cosine.
ccsidtocs Provides conversion between coded character set IDs (CCSID) and code set names.
ceil The floor subroutine, floorf subroutine, floorl subroutine, nearest subroutine, and trunc subroutine, round floating-point numbers to floating-point integer values. The itrunc subroutine and uitrunc subroutine round floating-point numbers to signed and unsigned integers, respectively.
ceilf Computes the ceiling value.
ceill Computes the ceiling value.
cexp Performs complex exponential computations.
cexpf Performs complex exponential computations.
cexpl Performs complex exponential computations.
cfgetispeed Gets and sets input and output baud rates.
cfgetospeed Gets and sets input and output baud rates.
cfsetispeed Gets and sets input and output baud rates.
cfsetospeed Gets and sets input and output baud rates.
cfxfer Checks the status of the programmatic File Transfer.
chacl Changes the permissions on a file.
chdir Changes the current directory.
chmod Changes file access permissions.
chown Changes file ownership.
chownx Changes file ownership.
chpass Changes user passwords.
chroot Changes the effective root directory.
chssys Modifies the subsystem objects associated with the SubsystemName parameter.
cimag Performs complex imaginary computations.
cimagf Performs complex imaginary computations.
cimagl Performs complex imaginary computations.
ckuserID Authenticates the user. Note This subroutine is obsolete and is provided for backwards compatibility. Use the authenticate () subroutine, instead.
ckuseracct Checks the validity of a user account.
class Determines classifications of floating-point numbers.
clear Clears a window.
clearerr Checks the status of a stream.
clearok Terminal output control subroutines.
clnt_broadcast Broadcasts a remote procedure call to all locally connected networks.
clnt_call Calls the remote procedure associated with the clnt parameter.
clnt_control Changes or retrieves various information about a client object.
clnt_create Creates and returns a generic client handle.
clnt_destroy Destroys the client's Remote Procedure Call (RPC) handle.
clnt_freeres Frees data that was allocated by the Remote Procedure Call/eXternal Data Representation (RPC/XDR) system.
clnt_geterr Copies error information from a client handle.
clnt_pcreateerror Indicates why a client Remote Procedure Call (RPC) handle was not created.
clnt_perrno Specifies the condition of the stat parameter.
clnt_perror Indicates why a remote procedure call failed.
clnt_spcreateerror Indicates why a client Remote Procedure Call (RPC) handle was not created.
clnt_sperrno Specifies the condition of the stat parameter by returning a pointer to a string containing a status message.
clnt_sperror Indicates why a remote procedure call failed.
clntraw_create Creates a toy Remote Procedure Call (RPC) client for simulation.
clnttcp_create Creates a Transmission Control Protocol/Internet Protocol (TCP/IP) client transport handle.
clntudp_create Creates a User Datagram Protocol/Internet Protocol (UDP/IP) client transport handle.
clock Reports central processing unit (CPU) time used.
clog Computes the complex natural logarithm.
clogf Computes the complex natural logarithm.
clogl Computes the complex natural logarithm.
clone Opens an unused minor device on another STREAMS driver.
close Closes the generic data link control (GDLC) device manager using a file descriptor.
closedir Performs operations on directories.
closelog Controls the system log.
closelog_r Controls the system log.
clrtobot Erases the current line from the logical cursor position to the end of the window.
clrtoeol Erases the current line from the logical cursor position to the end of the line.
color_content Color manipulation functions and external variables for color support.
compare_and_swap Conditionally updates or returns a single word variable atomically.
compile Compiles and matches regular-expression patterns. Note Commands use the regcomp, regexec, regfree, and regerror subroutines for the functions described in this article.
confstr Gets configurable variables.
conj Computes the complex conjugate.
conjf Computes the complex conjugate.
conjl Computes the complex conjugate.
connect Connects two sockets.
conv Translates characters.
copyb Copies a message block.
copymsg Copies a message.
copysign Performs number manipulation.
copysignf Performs number manipulation.
copysignl Performs number manipulation.
copywin Copies a region of a window.
coredump Creates a core file without terminating the calling process.
cos Computes the sine.
cosf Computes the cosine.
cosh Computes the hyperbolic cosine.
coshf Computes the hyperbolic cosine.
coshl Computes the hyperbolic cosine.
cosl Computes the cosine.
cpow Computes the complex power.
cpowf Computes the complex power.
cpowl Computes the complex power.
cproj Computes the complex projection functions.
cprojf Computes the complex projection functions.
cprojl Computes the complex projection functions.
creal Computes the real part of a specified value.
crealf Computes the real part of a specified value.
creall Computes the real part of a specified value.
creat Opens a file for reading or writing.
creat64 Opens a file for reading or writing.
crypt Encrypts or decrypts data.
csid Returns the character set ID (charsetID) of a multibyte character.
csin Computes the complex sine.
csinf Computes the complex sine.
csinh Computes the complex hyperbolic sine.
csinhf Computes the complex hyperbolic sine.
csinhl Computes the complex hyperbolic sine.
csinl Computes the complex sine.
csqrt Computes complex square roots.
csqrtf Computes complex square roots.
csqrtl Computes complex square roots.
cstoccsid Provides conversion between coded character set IDs (CCSID) and code set names.
ctan Computes complex tangents.
ctanf Computes complex tangents.
ctanh Computes the complex hyperbolic tangent.
ctanhf Computes the complex hyperbolic tangent.
ctanhl Computes the complex hyperbolic tangent.
ctanl Computes complex tangents.
ctermid Generates the path name of the controlling terminal.
ctime Converts the formats of date and time representations.
ctime_r Converts the formats of date and time representations.
ctype Classifies characters.
curs_set Sets the cursor visibility.
cuserid Gets the alphanumeric user name associated with the current process.