[#CRYPTO_malloc]
= CRYPTO_malloc
:mrdocs:

Allocate `num` bytes using the installed CRYPTO malloc callback.

== Synopsis

Declared in `<openssl/crypto.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void*
CRYPTO_malloc(
    size_t num,
    char const* file,
    int line);
----

== Return Value

Newly allocated memory, or NULL on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *num*
| Number of bytes to allocate.
| *file*
| Source file for tracking (usually OPENSSL_FILE).
| *line*
| Source line for tracking (usually OPENSSL_LINE).
|===


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