ref: 4fc379d92730953c06b49b50e4a06a389a1a032d dir: /include/bits/netbsd/sys/stdio.h/
#define BUFSIZ 512 #define FILENAME_MAX 256 #define FOPEN_MAX 16 #define TMP_MAX 25 #define L_tmpnam 256 #define _TMPNAME "/tmp/tmp.0000000"