As do_gethostbyname requires more arguments but doesn't require a netconn, it has its own struct (to avoid struct api_msg getting bigger than necessary). More...

#include <api_msg.h>

Data Fields
const char *	name
	Hostname to query or dotted IP address string.
ip_addr_t *	addr
	Rhe resolved address is stored here.
sys_sem_t *	sem
	This semaphore is posted when the name is resolved, the application thread should wait on it.
err_t *	err
	Errors are given back here.

Detailed Description

As do_gethostbyname requires more arguments but doesn't require a netconn, it has its own struct (to avoid struct api_msg getting bigger than necessary).

do_gethostbyname must be called using tcpip_callback instead of tcpip_apimsg (see netconn_gethostbyname).

Definition at line 132 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/api_msg.h.