[#absl-FPrintF]
= xref:absl.adoc[absl]::FPrintF
:relfileprefix: ../
:mrdocs:

Writes to a file given a format string and zero or more arguments.

== Synopsis

Declared in `<absl/strings/str_format.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename... Args>
int
FPrintF(
    FILE* output,
    xref:absl/FormatSpec.adoc[FormatSpec<Args...>] const& format,
    Args const&... args);
----

== Description

This function is functionally equivalent to `std::fprintf()` (and type‐safe); prefer `absl::FPrintF()` over `std::fprintf()`.

Example:

std::string_view s = "Ulaanbaatar"; absl::FPrintF(stdout, "The capital of Mongolia is %s", s);

Outputs: "The capital of Mongolia is Ulaanbaatar"

== Return Value

The number of characters written, or a negative value on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *output*
| The file to write to.
| *format*
| The format string.
| *args*
| The arguments substituted into the format string.
|===


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