fprintf
- Updated2023-02-21
- 1 minute(s) read
fprintf
int fprintf (FILE *stream, const char formatString[], ...);
Purpose
Writes output to the specified stream according to format specifiers in formatString.
Parameters
| Input | ||||
| Name | Type | Description | ||
| stream | FILE * | Contains a pointer to the stream to which the formatted output is written. | ||
| formatString | const char [] |
Contains the format string that specifies how subsequent arguments are converted for output. Use standard ANSI C format specifiers. If insufficient
arguments exist for the format, the behavior is undefined. If the format is exhausted while arguments remain,
the excess arguments are evaluated but are otherwise ignored.
|
||
| source_s | ... | Specifies one or more arguments that are to be converted and written to the desired stream. If there are multiple arguments, they must be separated by commas. | ||
Return Value
| Name | Type | Description |
| CharactersWritten | int | Contains the number of characters transmitted, if successful. If an output error occurs, it contains a negative value and fprintf sets errno to a nonzero value. |
Additional Information
Library: ANSI C Library
Include file: ansi_c.h
LabWindows/CVI compatibility: LabWindows/CVI 3.0 and later