do_aspawn (pTHX_ SV *really,SV **mark,SV **sp);
int
-do_spawn2 (pTHX_ char *cmd,int execf)
+do_spawn2 (pTHX_ char *cmd,int execf);
int
do_spawn (pTHX_ char *cmd);
bool
-Perl_do_exec (pTHX_ char *cmd);
+Perl_do_exec (pTHX_ const char *cmd);
void
Perl_init_os_extras(pTHX);