cgiwrap_writevf - a wrapper for vprintf
#include <cgi/cgiwrap.h>
NEOERR *cgiwrap_writevf (const char *fmt, va_list ap);
fmt - standard printf fmt string
ap - stdarg argument pointer
cgiwrap_writevf is the formatted output command that replaces vprintf or
fvprintf(stdout) in a standard CGI It is also used by cgiwrap_writef (the
actual wrapped function is a v type function)
cgiwrap_iterenv(3), cgiwrap_putenv(3), cgiwrap_init_emu(3),
cgiwrap_writef(3), cgiwrap_init_std(3),
cgiwrap_writevf(3), cgiwrap_read(3), cgiwrap_write(3),
cgiwrap_getenv