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#define sig_atomic_t int #define SSIZE_MAX LONG_MAX #define O_NOCTTY 0400 #define O_NONBLOCK 04000 #define S_ISVTX 01000 #define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK) int fchmod (int fd, int mode) { return 0; } int fchown (int fd, int owner, int group) { return 0; } #include <signal.h> int sigfillset (sigset_t * set) { return 0; }