[#BIO_get_line]
= BIO_get_line
:mrdocs:

Read bytes until a newline or EOF, without requiring a trailing NUL in the source.

== Synopsis

Declared in `<openssl/bio.h>`

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

== Return Value

Number of bytes stored, 0 on EOF with no data, or a negative value on error.

== Parameters

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


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