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[unix-history]
/
usr
/
src
/
usr.bin
/
mail
/
sigretro.h
/* sigretro.h 4.1 83/08/11 */
/*
* Define extra stuff not found in signal.h
*/
#ifndef SIGRETRO
#define SIGRETRO
/* Can use this for cond code */
#ifndef SIG_HOLD
#define SIG_HOLD (int (*)()) 3
/* Phony action to hold sig */
#define BADSIG (int (*)()) -1
/* Return value on error */
#endif SIG_HOLD
#endif SIGRETRO