


      MMMMKKKKSSSSTTTTRRRR((((1111))))                    ((((bbbbssssdddd 4444....2222))))                    MMMMKKKKSSSSTTTTRRRR((((1111))))



      NNNNAAAAMMMMEEEE
           mkstr - create an error message file by massaging C source

      SSSSYYYYNNNNTTTTAAAAXXXX
           mmmmkkkkssssttttrrrr [ ---- ] messagefile prefix file ...

      DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
           _M_k_s_t_r is used to create files of error messages.  Its use
           can make programs with large numbers of error diagnostics
           much smaller, and reduce system overhead in running the
           program as the error messages do not have to be constantly
           paged in and out.

           _M_k_s_t_r will process each of the specified _f_i_l_e_s, placing a
           massaged version of the input file in a file whose name
           consists of the specified _p_r_e_f_i_x and the original name.  A
           typical usage of _m_k_s_t_r would be

                mkstr pistrings xx *.c

           This command would cause all the error messages from the C
           source files in the current directory to be placed in the
           file _p_i_s_t_r_i_n_g_s and processed copies of the source for these
           files to be placed in files whose names are prefixed with
           _x_x.

           To process the error messages in the source to the message
           file, _m_k_s_t_r searches for the string `error("' in the input
           stream.  Each time it occurs, the C string starting at the
           `"' is placed in the message file followed by a null
           character and a new-line character; the null character
           terminates the message so it can be easily used when
           retrieved.  The new-line character makes it possible to
           sensibly _c_a_t the error message file to see its contents.
           The massaged copy of the input file then contains a _l_s_e_e_k
           pointer into the file, which can be used to retrieve the
           message, i.e.:


                cccchhhhaaaarrrr efilname[] =  "/usr/lib/pi_strings";
                iiiinnnntttt  efil = -1;

                error(a1, a2, a3, a4)
                {
                     cccchhhhaaaarrrr buf[256];

                     iiiiffff (efil < 0) {
                          efil = open(efilname, 0);
                          iiiiffff (efil < 0) {
                oops:
                               perror(efilname);
                               exit(1);



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      MMMMKKKKSSSSTTTTRRRR((((1111))))                    ((((bbbbssssdddd 4444....2222))))                    MMMMKKKKSSSSTTTTRRRR((((1111))))



                          }
                     }
                     iiiiffff (lseek(efil, (long) a1, 0) || read(efil, buf, 256) <= 0)
                          ggggoooottttoooo oops;
                     printf(buf, a2, a3, a4);
                }

           The optional ---- causes the error messages to be placed at the
           end of the specified message file for recompiling part of a
           large _m_k_s_t_red program.

      SSSSEEEEEEEE AAAALLLLSSSSOOOO
           lseek(2), xstr(1)










































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