modbus_get_header_length.md

modbus_get_header_length

Name

modbus_get_header_length - retrieve the current header length

Synopsis

int modbus_get_header_length(modbus_t *ctx);

Description

The modbus_get_header_length() function shall retrieve the current header length from the backend. This function is convenient to manipulate a message and so it's limited to low-level operations.

Return value

The header length as integer value.