# cat /etc/config/programmino
config camera           A
        option zoom     14
config camera           B
        option zoom     2

#include <stdio.h>
#include <uci/uci.h>

int main()
{
        struct uci_context *ctx;
        struct uci_package *p = NULL;
        struct uci_element *e = NULL;
        char *package = NULL;
        char* section = NULL;
        char* option = NULL;
        char* value = NULL;
        char** ptr = NULL;
        char* comando = "programmino.B.zoom";

        ctx = uci_alloc_context();
        if (!ctx)
        {
                printf("Out of memory\n");
                return 1;
        }
        if(uci_parse_tuple(ctx, comando, &package, &section, &option, ptr) != UCI_OK)
                return 1;
        //printf("%s - %s - %s", package, section, option);
        uci_free_context(ctx);
        return 0;
}



# colorgcc -Wall -g -o opzione -luci opzione.c
opzione.c: In function 'main':
opzione.c:12: warning: unused variable 'value'
opzione.c:8: warning: unused variable 'e'
opzione.c:7: warning: unused variable 'p'

# ./opzione
Segmentation fault (core dumped)