...100 inline int read_input_words(int slave, int start_addr, int count, int *dest, int dest_size, int fd, int send_retries, const struct timespec *response_timeout); #define read_input_registers(p1,p2,p3,p4
int start_addr, int coil_count, int *data, int fd, int send_retries, const struct timespec *response_timeout); #define set_multiple_coils(p1,p2,p3,p4,p5,p6,p7) \ write_output_bits (p1,p2,p3,p4,p5,p6,p7)...
www.acelab.com/mat/mat-ace/io/modbus/protocol/mb_slave.h