strchr,wcschr 及strrchr, wcsrchr,_tcschr,_tcsrchr函数
(1)
char *strchr( const char
*
string
,
int
c
);
wchar_t
*
wcschr( const wchar_t
*
string
,
wchar_t
c
);
Find a character in a string.
查找一个字符串中首次出现的指定字符。
Return Value
Each of these functions returns a pointer to the first occurrence of c in string(address) , or NULL if c is not found.
_tcschr是strchr或者wcschr,跟_UNICODE是否定义有关
(2)
char *strrchr( const char
*string
, int
c
);
char *wcsrchr( const wchar_t
*
string
,
int
c
);
Scan a string for the last occurrence of a character.
查找一个字符串中最后出现的指定字符。
Return Value
Each of these functions returns a pointer to the last occurrence of
c
in
string(address)
, or NULL if
c
is not found.
找出字符串中最后一个出现查找字符的地址,然后将该字符出现的地址返回。
_tcsrchr是strrchr或者wcsrchr,跟_UNICODE是否定义有关