std::system

 

C++

语言

概念

实用工具库

字符串库

集装箱库

算法库

迭代器库

Numerics库

输入/输出库

本地化库

正则表达式库 （C++11）

原子操作库 （C++11）

线程的支持库 （C++11）

 

实用工具库

类型的支持 (basic types, RTTI, type traits)

动态内存管理

错误处理

程序实用工具

可变参数函数

日期和时间

函数对象

initializer_list （C++11）

bitset

hash （C++11）

关系运算符 Original: Relational operators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

rel_ops::operator!= rel_ops::operator> rel_ops::operator<= rel_ops::operator>=

双和元组 Original: Pairs and tuples The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

pair

tuple （C++11）

piecewise_construct_t （C++11）

piecewise_construct （C++11）

掉期，远期和移动 Original: Swap, forward and move The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

swap

forward （C++11）

move （C++11）

move_if_noexcept （C++11）

declval （C++11）

 

程序支持实用程序

程序终止 Original: Program termination The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
abort exit quick_exit （C++11） _Exit （C++11）	atexit at_quick_exit （C++11） EXIT_SUCCESS EXIT_FAILURE
与环境沟通 Original: Communicating with the environment The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
system	getenv
信号 Original: Signals The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
signal raise sig_atomic_t	SIG_DFL SIG_IGN SIG_ERR
信号类型 Original: Signal types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
SIGABRT SIGFPE SIGILL SIGINT SIGSEGV SIGTERM
非本地跳跃 Original: Non-local jumps The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
setjmp
longjmp
类型 Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
jmp_buf

 

Defined in header <cstdlib>
int system( const char *command );

命令参数调用宿主环境的命令处理器。返回实现定义的值（通常被调用的程序返回的值）.

Original:

Calls the host environment's command processor with command parameter. Returns implementation-defined value (usually the value that the invoked program returns).

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如果命令是NULL指针，主机环境的检查，如果有一个命令处理器，并返回非零值，只有当命令处理器.

Original:

If command is NULL pointer, checks if host environment has a command processor and returns nonzero value only if the command processor exists.

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参数

command

-

字符串确定要运行的命令在命令处理器。如果为NULL指针，命令处理器检查是否存在 Original: character string identifying the command to be run in the command processor. If NULL pointer is given, command processor is checked for existence The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

返回值

实现定义的值。如果command是NULL返回非零值，只有当命令处理程序存在.

Original:

Implementation-defined value. If command is NULL returns nonzero value only if command processor exists.

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另请参阅

C documentation for system