src/setjmp/sigjmp_buf.c


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#include <setjmp.h>

/** program environment with signal mask **/

typedef jmp_buf                                                      sigjmp_buf;

/***
is used to hold all the information needed to restore a a calling
environment, including the signal mask.
***/

/*
SIGNAL_SAFE(0)
TYPEDEF(an array type)
POSIX(1)
*/