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- {* DEMOEXEC.PAS - demonstration progam for calling C library functions
- *
- * Microsoft Pascal release 3.32 can call large model C functions.
- * Please read PASEXEC.INC for more details on interlanguage calling.
- *
- * To compile and link DEMOEXEC.PAS
- *
- * pas1 demoexec;
- * pas2
- * link demoexec,,,cexec; (must search CEXEC.LIB)
- *}
-
- program demoexec(input,output);
-
- {$include : 'pasexec.inc'}
-
- var
- i : integer;
- NULL : integer4;
-
- value
- NULL := 0;
-
- begin
-
- {* invoke command.com with a command line
- *
- * dir *.pas
- *}
- i := system(ads('dir *.pas'*chr(0)));
- writeln (output,'system return code = ',i);
- writeln (output,' ');
-
- {* invoke a child process
- *
- * exemod (display usage line only)
- *}
- i := spawnlp(0,ads('exemod'*chr(0)),ads('exemod'*chr(0)),NULL);
- writeln (output,'spawnlp return code =',i);
- writeln (output,' ');
-
- {* invoke an overlay process (chaining)
- *
- * exemod demoexec.exe
- *}
- i := spawnlp(_p_overlay,ads('exemod'*chr(0)),ads('exemod'*chr(0)),
- ads('demoexec.exe'*chr(0)),NULL);
-
- {* we should never see this if spawnlp (overlay) is successful
- *}
- writeln (output,'spawnlp return code =',i);
- writeln (output,' ');
-
- end.
-