Espressif ESP32-S2 Programming Manual page 555

Chapter 2. API Reference
set socket to SSL
Example:
void example(void)
{
int ret;
SSL *ssl;
int socket;
... ...
ret = SSL_set_fd(ssl, socket);
}
3.21 int SSL_set_rfd (SSL * ssl, int fd)
Arguments:
ssl - SSL point
fd - socket id
Return:
1 : OK
0 : failed
Description:
set read only socket to SSL
Example:
void example(void)
{
int ret;
SSL *ssl;
int socket;
... ...
ret = SSL_set_rfd(ssl, socket);
}
3.22 int SSL_set_wfd (SSL * ssl, int fd)
Arguments:
ssl - SSL point
fd - socket id
Return:
1 : OK
0 : failed
Description:
set write only socket to SSL
Example:
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