command          1233 src/syslib.c     const char * command;
command          1237 src/syslib.c     command = SCM_STRING_CONST_CSTRING(command_scm);
command          1241 src/syslib.c   SCM_SYSCALL(SCM_RESULT, system(command));
command          1929 src/syslib.c     ScmString* command;
command          1940 src/syslib.c     command = SCM_STRING(command_scm);
command          1951 src/syslib.c   Scm_SysExec(command, args, iomap, FALSE);
command          1962 src/syslib.c     ScmString* command;
command          1973 src/syslib.c     command = SCM_STRING(command_scm);
command          1986 src/syslib.c    SCM_RESULT = (Scm_SysExec(command, args, iomap, TRUE));