shared memory

[Mark Lawrence]

} in article <1990Sep21.183326.13116 at DRD.Com>, mark at DRD.Com (Mark Lawrence) says:
} > extern const char *strerror(int);

gt0178a at prism.gatech.EDU (BURNS,JIM) wrote:
} I had more compile troubles w/this last line then any other in the program.
} I had to substitute:
} 
} extern char *sys_errlist[];

The following thanks to Chris Torek:
/*
 * >From: chris at mimsy.UUCP (Chris Torek)
 * 
 * In article <349 at auspex.UUCP> guy at auspex.UUCP (Guy Harris) writes: *Grumble
 * bitch* please use "sys_errlist[]" next time, thank you....  It might even
 * make it easier to figure out what's wrong.
 * 
 * Actually, use strerror(): This should be in your dpANS-conformant
 * C library (what, you have no dpANS-conformant *compiler*? :-) )
 * 
 */
#include <ANSIPrototypes.h>
const char     *strerror(int err)
{
	extern const char *sys_errlist[];
	extern const int sys_nerr;
	static char     expand[40];

	if ((unsigned) err < sys_nerr)
		return (sys_errlist[err]);
	(void) sprintf(expand, "unknown error code %d", err);
	return (expand);
}
-- 
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