[#BIO_gets]
= BIO_gets
:mrdocs:

Read a line from a BIO into `buf` (NUL‐terminated; strips trailing newline when present).

== Synopsis

Declared in `<openssl/bio.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
BIO_gets(
    xref:BIO.adoc[BIO]* bp,
    char* buf,
    int size);
----

== Return Value

Number of bytes read (excluding NUL), 0 on EOF, or a negative value on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bp*
| Source BIO.
| *buf*
| Destination buffer.
| *size*
| Capacity of `buf` in bytes.
|===


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