std::strspn

 

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）

 

字符串库

null结尾的字符串 Original: Null-terminated strings The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

字节的字符串

多字节字符串

宽字符串

类 Original: Classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string

char_traits

 

NULL结尾的字节串

功能 Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
字符操作 Original: Character manipulation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
isalnum isalpha islower isupper isdigit isxdigit isblank （C++11）	iscntrl isgraph isspace isprint ispunct tolower toupper
转换为数字格式 Original: Conversions to numeric formats The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
atof atoi atol atoll strtol strtoll	strtoul strtoull strtof strtod strtold
字符串操作 Original: String manipulation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
strcpy
strncpy
strcat
strncat
strxfrm
字符串检查 Original: String examination The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
strlen strcmp strncmp strcoll strchr strrchr	strspn strcspn strpbrk strstr strtok
内存操作 Original: Memory manipulation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
memchr
memcmp
memset
memcpy
memmove
杂项 Original: Miscellaneous The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
strerror

 

Defined in header <cstring>
size_t strspn( const char *dest, const char *src );

。返回的最大起始段的长度的字节串，指出dest，由字节的字符串中的字符指出，src.

Original:

Returns the length of the maximum initial segment of the byte string pointed to by dest, that consists of only the characters found in byte string pointed to by src.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

。参数。

dest	-	。 NULL结尾的字节串的指针来进行分析。 Original: pointer to the null-terminated byte string to be analyzed The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
src	-	。指针指向NULL结尾的字节字符串，其中包含的字符进行搜索。 Original: pointer to the null-terminated byte string that contains the characters to search for 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。===

。只包含字符的字节串所指向的src的最大初始段的长度。

Original:

The length of the maximum initial segment that contains only characters from byte string pointed to by src

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

。另请参阅。

strcspn	返回的长度的最大初始段，由 只未发现另一个字节字符串中的字符 Original: returns the length of the maximum initial segment that consists of only the characters not found in another byte string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
strpbrk	发现的第一个位置在一个字符串中的任何字符，在另一个字符串 Original: finds the first location of any character in one string, in another string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
C documentation for strspn