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@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 * 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 * gvcvt:: Format double or float as string * exit:: End program execution * getenv:: Look up environment variable * 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 * 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 * rand:: Pseudo-random numbers * rand48:: Uniformly distributed pseudo-random numbers * 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 * 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 * 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 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/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/mbstowcs.def @page @include stdlib/mbtowc.def @page @include stdlib/on_exit.def @page @include stdlib/rand.def @page @include stdlib/rand48.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/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/wcstombs.def @page @include stdlib/wctomb.def
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