RtlCharToInteger function (ntddk.h)
The RtlCharToInteger routine converts a single-byte character string to an integer value in the specified base.
Syntax
NTSYSAPI NTSTATUS RtlCharToInteger(
[in] PCSZ String,
[in, optional] ULONG Base,
[out] PULONG Value
);
Parameters
[in] String
Pointer to a null-terminated, single-byte character string.
[in, optional] Base
Specifies decimal, binary, octal, or hexadecimal base. If this parameter is not given, the routine will look for 0x, 0o, and 0b prefixes in the input string to determine if the base should be decimal (default), binary, octal, or hexadecimal.
[out] Value
Pointer to a location to which the converted value is returned.
Return value
RtlCharToInteger returns STATUS_SUCCESS if the given character string is converted. Otherwise, it can return STATUS_INVALID_PARAMETER.
Remarks
RtlCharToInteger converts ANSI alphanumeric characters.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available starting with Windows 2000. |
| Target Platform | Universal |
| Header | ntddk.h (include Ntddk.h) |
| Library | NtosKrnl.lib |
| DLL | NtosKrnl.exe |
| IRQL | PASSIVE_LEVEL |