add sunos

src/cmd/9term/SunOS.c

@@ -0,0 +1,30 @@
+#include "9term.h"
+
+int
+getchildwd(int pid, char *wdir, int bufn)
+{
+	char path[256];
+	char cwd[256];
+
+	if(getcwd(cwd, sizeof cwd) < 0)
+		return -1;
+	snprint(path, sizeof path, "/proc/%d/cwd", pid);
+	if(chdir(path) < 0)
+		return -1;
+	if(getcwd(wdir, bufn) < 0)
+		return -1;
+	chdir(cwd);
+	return 0;
+}
+
+int
+getpts(int fd[], char *slave)
+{
+	fd[1] = open("/dev/ptmx", ORDWR);
+	if ((grantpt(fd[1]) < 0) || (unlockpt(fd[1]) < 0))
+		return -1;
+	fchmod(fd[1], 0622);
+	strcpy(slave, ptsname(fd[1]));
+	fd[0] = open(slave, OREAD);
+	return 0;
+}