std::strpbrk

来自cppreference.com

 
 
字符串库
null结尾的字符串
Original:
Null-terminated strings
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字节的字符串
多字节字符串
宽字符串
Original:
Classes
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basic_string
char_traits
 
NULL结尾的字节串
功能
Original:
Functions
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字符操作
Original:
Character manipulation
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转换为数字格式
Original:
Conversions to numeric formats
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字符串操作
Original:
String manipulation
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strcpy
strncpy
strcat
strncat
strxfrm
字符串检查
Original:
String examination
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内存操作
Original:
Memory manipulation
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memchr
memcmp
memset
memcpy
memmove
杂项
Original:
Miscellaneous
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strerror
 
Defined in header <cstring>
const char* strpbrk( const char* dest, const char* str );
      char* strpbrk(       char* dest, const char* str );
。发现的第一个字符字节的字符串所指向的dest,这也是在字节的字符串所指向的str.
Original:
Finds the first character in byte string pointed to by dest, that is also in byte string pointed to by str.
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[编辑] 。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
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str -
。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
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===。 返回值。===

dest,这也是str,或NULL如果不存在这样的字符的第一个字符的指针.
Original:
Pointer to the first character in dest, that is also in str, or NULL if no such character exists.
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[编辑] 。为例。

#include <cstdio>
#include <cstring>
 
int main() 
{
    char* input = "hello world friend of mine";
    char* space = " ";
    char* pos = input;
    int word_counter = 0;
 
    do {
        pos = std::strpbrk(pos, space);
        word_counter++;
        pos ? pos++ : pos;
        std::printf("%d\n", word_counter);
    } while (pos != NULL);
};

Output:

1
2
3
4
5

[编辑] 。另请参阅。

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
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(函数) [edit]
找到第一个出现的字符
Original:
finds the first occurrence of a character
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(函数) [edit]
C documentation for strpbrk