Section 3 of the manual describes all library functions excluding the library functions (system call wrappers) described in Section 2, which implement system calls.

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catanhl
catanh, catanhf, catanhl - complex arc tangents hyperbolic
catanhl
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
catanl
catan, catanf, catanl - complex arc tangents
catanl
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
catch
Evaluate script and trap exceptional returns
catchmark
input/output manipulator (rheolef-7.2)
catclose
catopen, catclose - open/close a message catalog
catclose
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
catcmds
NewCompCmd, PrintCmd, QuitCmd, RevertCmd, SaveCompCmd, SaveCompAsCmd, ViewCompCmd - catalog-oriented commands
catgets
get message from a message catalog
catgets
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
catopen
catopen, catclose - open/close a message catalog
catopen
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
caxpy
complex_blas_level1 - complex
cbbcsd
complexOTHERcomputational - complex
cbc_crypt
des_crypt, ecb_crypt, cbc_crypt, des_setparity, DES_FAILED - fast DES encryption
cbdsqr
complexOTHERcomputational - complex
cbi
deprecated_items - : Deprecated items
cbreak
cbreak_sp
curs_sp_funcs - curses screen-pointer extension
cbrt
cbrt, cbrtf, cbrtl - cube root function
cbrt
math.h
cbrt
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
cbrtf
cbrt, cbrtf, cbrtl - cube root function
cbrtf
math.h
cbrtf
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
cbrtl
cbrt, cbrtf, cbrtl - cube root function
cbrtl
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
cc_amex
valtype::creditcard::amex - Validation for AMEX creditcard number
cc_discover
valtype::creditcard::discover - Validation for Discover creditcard number
cc_mastercard
valtype::creditcard::mastercard - Validation for Mastercard creditcard number
cc_t
cc_t, speed_t, tcflag_t - terminal special characters, baud rates, modes
cc_visa
valtype::creditcard::visa - Validation for VISA creditcard number
cchkaa
complex_lin - complex
cchkee
complex_eig - complex
ccopy
complex_blas_level1 - complex
ccos
ccos, ccosf, ccosl - complex cosine function
ccos
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
ccosf
ccos, ccosf, ccosl - complex cosine function
ccosf
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
ccosh
ccosh, ccoshf, ccoshl - complex hyperbolic cosine
ccosh
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
ccoshf
ccosh, ccoshf, ccoshl - complex hyperbolic cosine
ccoshf
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
ccoshl
ccosh, ccoshf, ccoshl - complex hyperbolic cosine
ccoshl
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
ccosl
ccos, ccosf, ccosl - complex cosine function
ccosl
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
ccp_write_io
avr_cpufunc - : Special AVR CPU functions
cd
Change working directory
cdawson
cdawson, dawson - Dawson's integral
cdb
Constant DataBase library  
cdb_datalen
get length of data
cdb_datapos
get position of data
cdb_find
look up a key in a constant database
cdb_firstkey
find first physical record in constant database
cdb_free
close a constant databased
cdb_init
open a constant database
cdb_keylen
get length of key
cdb_keypos
get position of key
cdb_nextkey
find next physical record in constant database
cdb_read
read bytes from a constant database
cdb_successor
find next record
cdk
Curses Development Kit
cdk_alphalist
curses sorted list widget
cdk_binding
Curses Development Kit Character Binding Capabilities
cdk_button
create and manage a curses button widget
cdk_buttonbox
Creates a managed curses buttonbox widget
cdk_calendar
curses calendar widget
cdk_compat
Cdk4 compatibility functions
cdk_dialog
curses dialog widget
cdk_display
Curses Development Kit Display Capabilities
cdk_draw
Cdk Drawing Functions
cdk_dscale
curses scale widget (type double)
cdk_entry
curses text-entry widget
cdk_fscale
curses scale widget (type float)
cdk_fselect
curses file selector widget
cdk_fslider
curses slider widget (type float)
cdk_graph
curses graph widget
cdk_histogram
curses histogram widget
cdk_itemlist
curses itemlist widget
cdk_label
Creates a managed curses label widget
cdk_marquee
curses marquee widget
cdk_matrix
curses matrix widget
cdk_mentry
curses multiple line entry widget
cdk_menu
curses menu widget
cdk_misc
Curses Development Kit Miscellaneous Routines
cdk_objs
Cdk object-support functions
cdk_params
Cdk command-line parsing
cdk_position
curses widget positioning key-bindings
cdk_process
curses widget pre/post-processing
cdk_radio
curses radio list widget
cdk_scale
curses scale widget (type int)
cdk_screen
Cdk Screen and Widget Manipulation Functions
cdk_scroll
curses scrolling list widget
cdk_selection
curses selection list widget
cdk_slider
curses slider widget (type int)
cdk_swindow
a curses scrolling window widget
cdk_template
a curses template widget
cdk_traverse
functions to support keyboard traversal