Adjusting unit test for core

build/Makefile

@@ -70,6 +70,9 @@ all:
 unix_unit_test: $(LUA_SOURCES) Makefile ../test/unit_test.c
 	$(CC) ../test/unit_test.c lua_5.2.1.c $(CFLAGS) -g -O0 -o t && ./t
 
+core_unit_test: Makefile ../test/unit_test.c
+	$(CC) ../test/unit_test.c $(CFLAGS) -g -O0 -o t && ./t
+
 # Make sure that the compiler flags come last in the compilation string.
 # If not so, this can break some on some Linux distros which use
 # "-Wl,--as-needed" turned on by default  in cc command.

build/src/core.h

@@ -81,6 +81,7 @@ int mg_get_var(const struct mg_connection *conn,
                const char *var_name, char *dst, size_t dst_len);
 int mg_get_cookie(const char *cookie, const char *var_name,
                   char *buf, size_t buf_len);
+int mg_parse_header(const char *hdr, const char *var_name, char *buf, size_t);
 
 // Utility functions
 int mg_start_thread(void *(*func)(void *), void *param);