NAME

       zip_get_file_extra - get extra field for file in zip

LIBRARY

       libzip (-lzip)

SYNOPSIS

       #include <zip.h>

       const char * zip_get_file_extra(struct zip *archive, zip_uint64_t index); "int *lenp" "int
       flags"

DESCRIPTION

       The zip_get_file_extra function returns the extra field for the file at position index  in
       the  zip  archive.   This  pointer should not be modified or free(3) Ap d.  If lenp is not
       NULL, the integer to which it points will be set to the length of the extra.  If flags  is
       set to ZIP_FL_UNCHANGED, the original unchanged extra field is returned.

RETURN VALUES

       Upon  successful completion, a pointer to the extra field is returned, or NULL if there is
       no extra field.  In case of an error, NULL is returned and the error code  in  archive  is
       set to indicate the error.

ERRORS

       zip_get_file_extra fails if:

              [ZIP_ER_INVAL]
                  index is not a valid file index in archive.

SEE ALSO

       libzip(3), zip_set_file_extra(3)

AUTHORS

       Dieter Baron <dillo@giga.or.at> and Thomas Klausner <tk@giga.or.at>