C program to sum two integers

input:
 stdin 0 -> progname :: string
 stdin 1 -> x :: string
 stdin 2 -> y :: string

output:
 stdout -> x + y :: string

programming language:
 C99

considerations:
 security paranoid programming


#include<stdio.h>
#include<gmp.h>
#define m mpz_
main(int c,char**v){m#t s,n;for(m#inits(s,n,0);++v;m#add(s,s,n))m#set_str(n,v,10);m#out_str(stdout,10,s);m#clears(s,n,0);}