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#if 0 #include <stddef.h> #include <sys/types.h> #include <unistd.h> #include <stdio.h> #include <string.h> char * ctermid(char * s) { static char ctid[L_ctermid + 1] = "/dev/tty"; /* TODO: return the empty string if there is no controlling terminal */ if (s == NULL) { s = ctid; } else { strcpy(s, ctid); } return s; } /* POSIX(1) */ #endif