# dkim_mail_parse()

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SYNOPSIS |
    #include <dkim.h>
    int dkim_mail_parse(
    	char *line,
    	char **user_out,
    	char **domain_out
    );
Parse an RFC2822 header for a user and hostname.
DESCRIPTION |
Called When | At any time.
ARGUMENTS |
Argument | Description
--- | ---
line | Input line, not including the name of the header.
user_out | Pointer to a variable of type `(char *)` which will be set to point to the "local-part" (user ID) found in the input.
domain_out | Pointer to a variable of type `(char *)` which will be set to point to the domain found in the input.
RETURN VALUE | 0 on success, other on failure. The failure codes are internal to the library for now.
NOTES | `line` is modified. This function is not part of the DKIM specification. It is provided as a facility to implementors to reduce code duplication.

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