Opening Programs in C

#include <unistd.h>
#include <stdio.h>
int main(void)
{
 char* prog[3];
 prog[0] = "C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe";
 prog[1] = "http://zahidserver.runhosting.net";
 prog[2] = '\0';
 execvp(prog[0], prog);
}

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