ERR_peek_last_error_line_data

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C) nothrow
c_ulong
ERR_peek_last_error_line_data
(
const(char)** file
,
int* line
,
const(char)** data
,
int* flags
)

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