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#include <spawn.h>
#include <stdlib.h>
#include <errno.h>
#include "fdop.h"
int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *fa, int fd)
{
if (fd < 0) return EBADF;
struct fdop *op = malloc(sizeof *op);
if (!op) return ENOMEM;
op->cmd = FDOP_CLOSE;
op->fd = fd;
if ((op->next = fa->__actions)) op->next->prev = op;
op->prev = 0;
fa->__actions = op;
return 0;
}
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