Cvl

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CVL

Reads a Long back from a 4-byte string.

Syntax

Declare Function CVL ( ByVal sng As Single ) As Long
Declare Function CVL ( ByRef str As Const String ) As Long

Parameters

• sng
• str

Description

Returns a 32-bit Long integer value using the binary data contained in a Single, or a String of at least four bytes in length. A value of zero (0) is returned if the string is less than four bytes in length.

CVL is used to convert 4-byte strings created with MKL.

This function can also be used to convert 32-bit integer values from a memory or file buffer without the need for a Type structure. However, just as with the type structure, special care should be taken when using CVL to convert strings that have been read from a buffer.

Return Value

A Long variable to copy the binary copy of a integer to.

Remarks

Usage

result = CVL( sng )

result = CVL( str )

Differences from QB

• In QB an error occurs if the string passed is less than four bytes in length.
• QB did not support floating-point arguments.

See also

• MKL
• CVShort
• CVI
• CVLongInt

Examples

Dim l As Long, s As String

s = "ABCD"

l = CVL(s)

Print Using "s = ""&"""; s

Print Using "l = &"; l

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Category: String Functions
Kind: function

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Reproduced from the FreeBASIC Wiki Manual under the GNU Free Documentation License 1.3 — with no Invariant Sections, no Front-Cover Texts and no Back-Cover Texts. Copyright © the FreeBASIC project and wiki contributors. See License.