P_tmpdir
a_tmpdir = P_tmpdir;
tmpdir = P_tmpdir;
((pt != (char *)NULL) && (*pt != '\0')) ? pt : P_tmpdir);
tmpdir = P_tmpdir;
tmpdir = P_tmpdir;
tmpdir = P_tmpdir;
z = sizeof (P_tmpdir) - 1;
if (access(pcopy(p, P_tmpdir), (W_OK | X_OK)) == 0)
(void) strcpy(tfname, P_tmpdir);
(void) strcpy(p, P_tmpdir);
#ifndef P_tmpdir