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.

Syntax

LPSTR WINAPI CharPrevExA(
  _In_ WORD   CodePage,
  _In_ LPCSTR lpStart,
  _In_ LPCSTR lpCurrentChar,
  _In_ DWORD  dwFlags
);

Parameters

CodePage [in]

Type: WORD

The identifier of the code page to use to check lead-byte ranges. Can be one of the code-page values provided in Code Page Identifiers, or one of the following predefined values.

Value	Meaning
CP_ACP 0	Use system default ANSI code page.
CP_MACCP 2	Use the system default Macintosh code page.
CP_OEMCP 1	Use system default OEM code page.

 

lpStart [in]

Type: LPCSTR

The beginning of the string.

lpCurrentChar [in]

Type: LPCSTR

A character in a null-terminated string.

dwFlags [in]

Type: DWORD

This parameter is reserved and must be zero.

Return value

Type: LPSTR

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.

Remarks

CharPrevExA specifies a code-page to use, whereas CharPrev (if called as an ANSI function) uses the system default code-page.

Requirements

See also

Reference

CharNextExA

CharPrev

Conceptual

Strings