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C and C++ Libraries and Floating-Point Support Reference
Conventions and feedback
The C and C++ libraries
__aeabi_errno_addr()
alloca()
clock()
_clock_init()
__default_signal_handler()
errno
_findlocale()
_fisatty()
_get_lconv()
getenv()
_getenv_init()
__heapstats()
__heapvalid()
lconv structure
localeconv()
_membitcpybl(), _membitcpybb(), _membitcpyhl(), _m
posix_memalign()
#pragma import(_main_redirection)
__raise()
_rand_r()
remove()
rename()
__rt_entry
__rt_errno_addr()
__rt_exit()
__rt_fp_status_addr()
__rt_heap_extend()
__rt_lib_init()
__rt_lib_shutdown()
__rt_raise()
__rt_stackheap_init()
setlocale()
_srand_r()
strcasecmp()
strncasecmp()
strlcat()
strlcpy()
_sys_close()
_sys_command_string()
_sys_ensure()
_sys_exit()
_sys_flen()
_sys_istty()
_sys_open()
_sys_read()
_sys_seek()
_sys_tmpnam()
_sys_write()
system()
time()
_ttywrch()
__user_heap_extend()
__user_heap_extent()
__user_setup_stackheap()
__vectab_stack_and_reset
wcscasecmp()
wcsncasecmp()
wcstombs()
Thread-safe C library functions
C library functions that are not thread-safe
Legacy function __user_initial_stackheap()
Floating-point support
_sys_exit()
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| Home > The C and C++ libraries > _sys_exit() | |||
Defined in rt_sys.h, this is the library
exit function. All exits from the library eventually call _sys_exit().
SyntaxThis function must not return. You can intercept application exit at a higher level by either:
Implementing the C library function
exit()as part of your application. You loseatexit()processing and library shutdown if you do this.Implementing the function
__rt_exit(int n)as part of your application. You lose library shutdown if you do this, butatexit()processing is still performed whenexit()is called ormain()returns.
The return code is advisory. An implementation might attempt to pass it to the execution environment.
- Reference
Using ARM C and C++ Libraries and Floating-Point Support:
| Copyright © 2011-2012 ARM. All rights reserved. | ARM DUI 0589B |
| Non-Confidential | ID062912 |
 PDF version | |
| Home > The C and C++ libraries > _sys_exit() |
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