[Now Supported on Windows NT]
The CharPrevExA function retrieves the pointer to the preceding character in a string. This function can handle strings consisting of either single- or multi-byte characters.
LPSTR CharPrevExA(
| WORD CodePage, | // identifier of code page |
| LPCSTR lpStart, | // pointer to first character |
| LPCSTR lpCurrentChar, | // pointer to current character |
| DWORD dwFlags | // reserved; must be zero |
| ); |
Parameters
CodePage
Identifier of the code page to use to check lead-byte ranges. Can be one of the code-page values provided in the "Code-Page Identifiers" table in Unicode and Character Set Constants or one of the following predefined values:
| Value | Meaning |
| 0 | Use system default ANSI code page. |
| CP_ACP | Use system default ANSI code page. |
| CP_OEMCP | Use system default OEM code page. |
lpStart
Pointer to the beginning of the string.
lpCurrentChar
Pointer to a character in a null-terminated string.
dwFlags
Reserved; must be zero.
Return Values
If the function succeeds, the return value is a pointer to the preceding character in the string, or to the first character in the string if the lpCurrentChar parameter equals the lpStart parameter.
See Also