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Standard library header <cstdlib>

This header was originally in the C standard library as <stdlib.h>.

This header provides miscellaneous utilities. Symbols defined here are used by several library components.

Macro constants

indicates program execution execution status
(macro constant)
MB_CUR_MAX
maximum number of bytes in a multibyte character with the current locale
(macro constant)
implementation-defined null pointer constant
(macro constant)
maximum possible value generated by std::rand
(macro constant)

Types

structure type, return of the std::div function
(typedef)
structure type, return of the std::ldiv function
(typedef)
(C++11)
structure type, return of the std::lldiv function
(typedef)
unsigned integer type returned by the sizeof operator
(typedef)

Functions

Process control
causes abnormal program termination (without cleaning up)
(function)
causes normal program termination with cleaning up
(function)
(C++11)
causes quick program termination without completely cleaning up
(function)
(C++11)
causes normal program termination without cleaning up
(function)
registers a function to be called on std::exit() invocation
(function)
registers a function to be called on quick_exit invocation
(function)
calls the host environment's command processor
(function)
access to the list of environment variables
(function)
Memory management
allocates memory
(function)
allocates and zeroes memory
(function)
expands previously allocated memory block
(function)
deallocates previously allocated memory
(function)
Numeric string conversion
converts a byte string to a floating point value
(function)
converts a byte string to an integer value
(function)
converts a byte string to an integer value
(function)
converts a byte string to an unsigned integer value
(function)
converts a byte string to a floating point value
(function)
Wide string manipulation
returns the number of bytes in the next multibyte character
(function)
converts the next multibyte character to wide character
(function)
converts a wide character to its multibyte representation
(function)
converts a narrow multibyte character string to wide string
(function)
converts a wide string to narrow multibyte character string
(function)
Miscellaneous algorithms and math
generates a pseudo-random number
(function)
seeds pseudo-random number generator
(function)
sorts a range of elements with unspecified type
(function)
searches an array for an element of unspecified type
(function)
computes absolute value of an integral value (|x|)
(function)
computes quotient and remainder of integer division
(function)

See Also

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