#include <stdarg.h>
#include <unistd.h>

int execle(const char* path, const char* argv0, ...) {
    int argc;
    va_list ap;
    va_start(ap, argv0);
    for (argc = 1; va_arg(ap, const char*); argc++)
        ;
    va_end(ap);
    {
        int i;
        char* argv[argc + 1];
        char** envp;
        va_start(ap, argv0);
        argv[0] = (char*)argv0;
        for (i = 1; i <= argc; i++)
            argv[i] = va_arg(ap, char*);
        envp = va_arg(ap, char**);
        va_end(ap);
        return execve(path, argv, envp);
    }
}