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Philip Rideout 6d74d31ecd Add civetweb to third_party (MIT).

This is a dependency of our upcoming web-based material debugger. This
CL also includes `tnt/CMakeLists.txt`, which builds a static lib in a
minimal configuration that enables WebSocket support. The entire library
is built from only 4 files:

    ${PUBLIC_HDR_DIR}/CivetServer.h
    ${PUBLIC_HDR_DIR}/civetweb.h
    ${SRC_DIR}/civetweb.c
    ${SRC_DIR}/CivetServer.cpp

2019-08-21 17:45:37 -07:00

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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().

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