* module/mes/libc-i386.mes (eputs, exit, puts): Save stack pointer,
fill parameter registers from stack.
* module/language/c99/compiler.mes (formal->text): Fill parameter
registers from stack memory.
(formals->text): Save stack pointer.
* module/mes/bytevectors.mes
* module/mes/elf-util.mes: New file.
* module/mes/elf.mes: Use it.
(make-elf): Generate symbol-table string-table.
* module/mes/elf-util.scm: New file.
* module/mes/elf.scm: Use it.
* module/language/c99/compiler.mes: Include it.
* module/language/c99/compiler.scm: Include it.
* module/mes/libc-i386.mes (call, eputs, exit, puts): New functions.
* module/mes/libc-i386.scm: Export them.
* module/language/c99/compiler.mes: New file.
* module/language/c99/compiler.scm: Include it.
* module/mes/elf.mes: Move (mes-use-module) into cond-expand.
* module/mes/elf.scm: New file.
* module/mes/libc-i386.scm: New file.
* module/nyacc/lang/c99/parser.mes: Add missing module includes.
* module/nyacc/lang/util.mes: Add missing module include.
* scripts/mescc.mes: Use Nyacc.
* guile/mescc.scm: New file.
* GNUmakefile (guile-mescc): Run it.
