civetweb/docs/api/mg_printf.md

Civetweb API Reference

mg_printf( conn, fmt, ... );

Parameters

Parameter	Type	Description
conn	struct mg_connection *	The connection over which the data must be sent
fmt	const char *	Format string
...	various	Parameters as specified in the format string

Return Value

Type	Description
int	Number of bytes written or an error code

Description

The function mg_printf() can be used to send formatted strings over a connection. The functionality is comparable to the printf() family of functions in the standard C library. The function returns 0 when the connection has been closed, -1 if an error occurred and otherwise the number of bytes written over the connection. Except for the formatting part, the mg_printf() function is identical to the function mg_write().

See Also

• mg_websocket_client_write();
• mg_websocket_write();
• mg_write();