@node Stdlib
@chapter Standard Utility Functions (@file{stdlib.h})

This chapter groups utility functions useful in a variety of programs.
The corresponding declarations are in the header file @file{stdlib.h}.

@menu 
* _Exit::       End program execution without cleaning up
* a64l::        String to long long
* abort::       Abnormal termination of a program
* abs::         Integer absolute value (magnitude)
* assert::      Macro for Debugging Diagnostics
* atexit::      Request execution of functions at program exit
* atof::        String to double or float
* atoi::        String to integer
* atoll::       String to long long
* bsearch::	Binary search
* calloc::      Allocate space for arrays
* div::         Divide two integers
* ecvtbuf::     Double or float to string of digits
* ecvt::        Double or float to string of digits (malloc result)
* __env_lock::		Lock environment list for getenv and setenv
* gcvt::        Format double or float as string
* exit::        End program execution
* getenv::      Look up environment variable
* itoa::        Integer to string
* labs::        Long integer absolute value (magnitude)
* ldiv::        Divide two long integers
* llabs::       Long long integer absolute value (magnitude)
* lldiv::       Divide two long long integers
* malloc::      Allocate and manage memory (malloc, realloc, free)
* mallinfo::	Get information about allocated memory
* __malloc_lock::	Lock memory pool for malloc and free
* mbsrtowcs::	Convert a character string to a wide-character string
* mbstowcs::	Minimal multibyte string to wide string converter
* mblen::	Minimal multibyte length
* mbtowc::      Minimal multibyte to wide character converter
* on_exit::     Request execution of functions at program exit
* qsort::	Array sort
* rand::        Pseudo-random numbers
* random::      Pseudo-random numbers
* rand48::      Uniformly distributed pseudo-random numbers
* rpmatch::     Determine whether response is affirmative or negative
* strtod::      String to double or float
* strtol::      String to long
* strtoll::     String to long long
* strtoul::     String to unsigned long
* strtoull::    String to unsigned long long
* wcsrtombs::	Convert a wide-character string to a character string
* wcstod::      Wide string to double or float
* wcstol::      Wide string to long
* wcstoll::     Wide string to long long
* wcstoul::     Wide string to unsigned long
* wcstoull::    Wide string to unsigned long long
* system::      Execute command string
* utoa::        Unsigned integer to string
* wcstombs::	Minimal wide string to multibyte string converter
* wctomb::      Minimal wide character to multibyte converter
@end menu

@page
@include stdlib/_Exit.def

@page
@include stdlib/a64l.def

@page
@include stdlib/abort.def

@page
@include stdlib/abs.def

@page
@include stdlib/assert.def

@page
@include stdlib/atexit.def

@page
@include stdlib/atof.def

@page
@include stdlib/atoi.def

@page
@include stdlib/atoll.def

@page
@include search/bsearch.def

@page
@include stdlib/calloc.def

@page
@include stdlib/div.def

@page
@include stdlib/efgcvt.def

@page
@include stdlib/ecvtbuf.def

@page
@include stdlib/envlock.def

@page
@include stdlib/exit.def

@page
@include stdlib/getenv.def

@page
@include stdlib/itoa.def

@page
@include stdlib/labs.def

@page
@include stdlib/ldiv.def

@page
@include stdlib/llabs.def

@page
@include stdlib/lldiv.def

@page
@include stdlib/malloc.def

@page
@include stdlib/mstats.def

@page
@include stdlib/mlock.def

@page
@include stdlib/mblen.def

@page
@include stdlib/mbsnrtowcs.def

@page
@include stdlib/mbstowcs.def

@page
@include stdlib/mbtowc.def

@page
@include stdlib/on_exit.def

@page
@include search/qsort.def

@page
@include stdlib/rand.def

@page
@include stdlib/random.def

@page
@include stdlib/rand48.def

@page
@include stdlib/rpmatch.def

@page
@include stdlib/strtod.def

@page
@include stdlib/strtol.def

@page
@include stdlib/strtoll.def

@page
@include stdlib/strtoul.def

@page
@include stdlib/strtoull.def

@page
@include stdlib/wcsnrtombs.def

@page
@include stdlib/wcstod.def

@page
@include stdlib/wcstol.def

@page
@include stdlib/wcstoll.def

@page
@include stdlib/wcstoul.def

@page
@include stdlib/wcstoull.def

@page
@include stdlib/system.def

@page
@include stdlib/utoa.def

@page
@include stdlib/wcstombs.def

@page
@include stdlib/wctomb.def