if statement with initializer

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

bool TestFnc()
{
    printf("TestFnc\n");
    return true;
}

int main()
{

    bool a = false;

    if( a = TestFnc(); a )
    {
        printf("1\n");
    }
    else
    {
        printf("2\n");
    }

    return 0;
}