of a program is to look for it just before it is used. The following function should be used at the beginning of a function that makes use of ... _exit_program_not_found.
This function should be used to retrieve the pathname of the program to be used as first argument to mbfl_program_exec.
mbfl... ered for signum. This function is not meant to be used during normal scripts execution, but it may be us... n in string with subst; prints the result. If not used, subst defaults to the empty string.
mbfl_sp