info cpu on osx with sysctl()

Question

I am working on osx and i would like to get some info about my cpu. To do that, i found the terminal commande sysctl -a, but i need to get these informations in a programme

Answer 1

I can do this on my iMac

#include <sys/types.h>
#include <sys/sysctl.h>
#include <stdio.h>

#define BUFFERLEN 128

int main(){
    char buffer[BUFFERLEN];
    size_t bufferlen = BUFFERLEN;
    sysctlbyname("machdep.cpu.brand_string",&buffer,&bufferlen,NULL,0);
    printf("%s\n", buffer);
}

and I get this

Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz