PSI_DECL(int access, [(const char *path, int amode)])
PSI_DECL(unsigned alarm, [(unsigned seconds)])
PSI_DECL(int chdir, [(const char *path)])
PSI_DECL(int access, [(const char *path, int amode)])
PSI_DECL(unsigned alarm, [(unsigned seconds)])
PSI_DECL(int chdir, [(const char *path)])