Arguments |
Description |
---|---|
buf |
A pointer to a buffer to receive the NULL terminated unique string. The buffer should be at least 20 bytes long. |
len |
An optional pointer to a size_t to receive the length in bytes of the returned unique string. This length does not include the NULL terminator that terminates the returned unique string. A value of NULL can be passed for this call argument. |
len_max |
The maximum size in bytes of the buffer pointed at by buf. |