Compiling E:\PERL_INC.C:
 Error E:\PERL_INC.C 1: Unable to open include file 'EXTERN.H'
 Error E:\PERL_INC.C 2: Unable to open include file 'PERL.H'
 Error E:\PERL_INC.C 5: Declaration syntax error
 Error E:\PERL_INC.C 10: Undefined symbol 'my_perl' in function main
 Error E:\PERL_INC.C 12: Undefined symbol 'NULL' in function main
 Warning E:\PERL_INC.C 16: Parameter 'env' is never used in function main