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#include <unistd.h> #include <stdio.h> #include <string.h> char * ctermid(char *s) { static char buf[L_ctermid]; if(s == 0) s = buf; strncpy(s, "/dev/cons", sizeof buf); return(s); } char * ctermid_r(char *s) { return s ? ctermid(s) : NULL; }