VARKON Version 1.15 1997-10-24


inflt - Function

Read float from file


Description

Reads a float string from an open file or pipe.

Syntax

inflt(f, width)

FILE f;
INT width;


Principal parameters

f - A filevariable accociated with a file open for read or update (R or U)


Optional parameters

width - Number of characters to read. If not specified inflt reads as many characters as needed.


Return value

The FLOAT value read.

Examples

With the following line of data

"1 2345.6 2E3 ABC"

consecutive calls to inflt would read as follows.....

inflt(f) = 1.0

inflt(f, 2) = 2.0

inflt(f) = 345.6

inflt(f) = 2000.0

inflt(f) = Undefined, error code in iostat()


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