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--- spawn.c.orig 1994-12-03 15:02:30.000000000 +0900 +++ spawn.c 2012-10-24 15:59:57.000000000 +0900 @@ -49,6 +49,8 @@ */ #include <stdio.h> +#include <sys/types.h> +#include <unistd.h> #include "pgpsendmail.h" @@ -79,7 +81,9 @@ int child_pid; int in_fds[2], out_fds[2], err_fds[2]; ERRNO_TYPE errno; +#if 0 extern char *sys_errlist[]; +#endif if (*in_fd < 0) {