Trailing-Edge
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PDP-10 Archives
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SRI_NIC_PERM_FS_1_19910112
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kcc-4/include/setjmp.h
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/* SETJMP.H - KCC definitions for setjmp() and longjmp() facilities.
** Implements 4.3BSD notions.
** Note that jmp_buf must be an array type so that references to a
** jmp_buf object will be either an array (definition) or a pointer to
** an array (declaration). Sigh! --KLH
** We use a sigcontext structure for jmp_buf even though we don't
** need all of the elements. The reason for this is to make sure we have
** enough room for any future features, and to allow possible future use
** of the 4.3BSD sigreturn() system call.
** sc_acs[2] is used to hold a simple checksum of the important parts.
*/
#include <signal.h> /* Get sigcontext definition */
typedef struct sigcontext jmp_buf[1];
#define longjmperror _ljerr /* Reduce name to 6-char external */