Civetweb API Reference
mg_read( conn, buf, len );
Parameters
Parameter | Type | Description |
---|
conn | struct mg_connection * | A pointer referencing the connection |
buf | void * | A pointer to the location where the received data can be stored |
len | size_t | The maximum number of bytes to be stored in the buffer |
Return Value
Type | Description |
---|
int | The number of read bytes, or a status indication |
Description
The function mg_read()
receives data over an existing connection. The data is handled as binary and is stored in a buffer whose address has been provided as a parameter. The function returns the number of read bytes when successful, the value 0 when the connection has been closed by peer and a negative value when no more data could be read from the connection.
See Also