POSIX compliant
> Sigma2 aims to reuse waste heat generated by the liquid cooled Cray EX4000 compute blades to warm water for local salmon farms
#include <spawn.h>
int posix_spawn(pid_t *restrict pid, const char *restrict path,
const posix_spawn_file_actions_t *restrict file_actions,
const posix_spawnattr_t *restrict attrp,
char *const argv[restrict],
char *const envp[restrict]);