typedef struct _config_main_section ConfigMainSection;

struct _config_main_section {
    const char *name;
    char **list;
    size_t size;
};

static char *config_files[] = { CONFIG_FILES_LOG, CONFIG_FILES_ERR, CONFIG_FILES_PID };
static char *config_general[] = { CONFIG_GENERAL_NAME, CONFIG_GENERAL_DESCRIPTION };


static ConfigMainSection sections[] = {
        { CONFIG_FILES, config_files, ARRAY_SIZE(config_services_files) },
        { CONFIG_GENERAL, config_general, ARRAY_SIZE(config_services_general) },
};


int func(void) {
    // array_size returns correct value (2), currentSection->name is a proper char*
    ConfigMainSection *main_section = find_config_main_section(sections, ARRAY_SIZE(sections),currentSection->name);
}

ConfigMainSection *find_config_main_section(ConfigMainSection *sections[], size_t size, const char *name) {
    ConfigMainSection *ptr = sections;
    ConfigMainSection *endPtr = sections + size;
    while (ptr < endPtr) {
        if(stricmp(ptr->name,name) == 0) {
            // I would expect that at some point, a matching name is found and a pointer to ConfigMainSection is returned
            // yet this point is never reached (segfault)
            return ptr;
        }
        ptr++;
    }
    return NULL;
}