1tst dat_sys_nerr note{ sys_nerr in default libs }end compile{ 2 extern int sys_nerr; 3 int f() 4 { 5 return sys_nerr > 0; 6 } 7}end 8 9tst def_errno_sys_nerr note{ sys_nerr declared in errno.h }end compile{ 10 #include <errno.h> 11 int f() 12 { 13 return sys_nerr > 0; 14 } 15}end 16 17tst dat_sys_errlist note{ sys_errlist in default libs }end compile{ 18 extern char* sys_errlist[]; 19 int f() 20 { 21 return *sys_errlist[1] != 0; 22 } 23}end 24 25tst def_errno_sys_errlist note{ sys_errlist declared in errno.h }end compile{ 26 #include <errno.h> 27 int f() 28 { 29 return *sys_errlist[1] != 0; 30 } 31}end 32