methods_array.c

#include <stdlib.h>
#include <stdio.h>

int firstMethod(int x) {
	return x;
}

void main() {
	struct Method {
		char *description;
		int (*doAction)(int);
	};
	const struct Method methods[] = {
		{.description = "Descr 1", .doAction = firstMethod},
		{.description = "Descr 2", .doAction = firstMethod},
		
	};	
	const size_t methodsCount = sizeof(methods) / sizeof(struct Method);
	for (int i = 0; i < methodsCount; i++) {
		printf("%d. %s\n", i + 1, methods[i].description);
	}
}