You should be replying to the list, not just me. I thought you were. We've exhausted my knowledge at this point.
On Thu, Sep 28, 2023 at 15:38 Mario Beaulieu <mariobeaulie...@yahoo.ca> wrote: > You are absolutely right! Thank you. > > That did not solve the problem though, but it's important that I know > that. Thanks! > > Mario > > Envoyé de mon iPad > > Le 28 sept. 2023 à 15:07, Mark J. Reed <markjr...@gmail.com> a écrit : > > > > You seem to have the names backward. The name you want to give the Forth > word comes first, then the C function name. > > On Thu, Sep 28, 2023 at 14:39 Mario Beaulieu <mariobeaulie...@yahoo.ca> > wrote: > >> Hi, >> >> Thank you. I tried but I get an error (invalid name argument). >> >> Mario >> >> Envoyé de mon iPad >> >> Le 28 sept. 2023 à 14:30, Mark J. Reed <markjr...@gmail.com> a écrit : >> >> >> >> All Forth really cares about is the size of the returned value. I'd >> expect a pointer to have type "a" (address). >> >> On Thu, Sep 28, 2023 at 2:01 PM Mario Beaulieu via Gforth discussion and >> announcements <gforth@gnu.org> wrote: >> >>> Hi, >>> >>> I'm trying to use a C library to handle mqtt messages from GForth. I use >>> Mosquitto as a message broker (on a Raspberry Pi 3). >>> >>> The header file for mosquito can be found here: >>> https://mosquitto.org/api/files/mosquitto-h.html >>> >>> I get the information about GForth’s C Interface from >>> https://gforth.org/manual/C-Interface.html >>> >>> >>> At the moment, I'm struggling on the function ‘mosquitto_new’. More >>> precisely, my issue is that this function returns a pointer to a struct (« >>> Pointer to a struct mosquitto on success »), which I can't figure out how >>> to code. >>> >>> Here's my code: >>> ********* >>> c-library libmosquitto >>> >>> \c #include <sys/types.h> >>> \c #include <mosquitto.h> >>> >>> c-function mosquitto_lib_init mosquittoLibInit >>> -- void >>> c-function mosquitto_connect mosquittoConnect a a n n -- void >>> c-function mosquitto_subscribe mosquittoSubscribe a n a a -- void >>> c-function mosquitto_loop mosquittoLoop a n n >>> -- void >>> >>> c-function mosquitto_new mosquittoNew a n void -- "What do I put here?" >>> >>> end-c-library >>> ******* >>> >>> I get an « Invalid name argument » error for every type I try. >>> >>> Note that I'm not a C programmer, so I might be struggling with >>> something obvious. >>> >>> Any help will be appreciated >>> >>> Thank you >>> >>> Mario >>> >>> Envoyé de mon iPad >> >> >> >> -- >> Mark J. Reed <markjr...@gmail.com> >> >>
